Search

Tuan N. Nguyen

Examiner (ID: 17135, Phone: (571)272-4892 , Office: P/3754 )

Most Active Art Unit
2828
Art Unit(s)
2828, 3751, 3101, 3615, 3653, 3754, 3651, 2899
Total Applications
4809
Issued Applications
3658
Pending Applications
270
Abandoned Applications
901

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 759568 [patent_doc_number] => 07020276 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-03-28 [patent_title] => 'Frequency sensitive inductance device in POTS splitter design' [patent_app_type] => utility [patent_app_number] => 09/483756 [patent_app_country] => US [patent_app_date] => 2000-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1539 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/020/07020276.pdf [firstpage_image] =>[orig_patent_app_number] => 09483756 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/483756
Frequency sensitive inductance device in POTS splitter design Jan 13, 2000 Issued
Array ( [id] => 932241 [patent_doc_number] => 06980647 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2005-12-27 [patent_title] => 'Primary telephone line protector with failsafe' [patent_app_type] => utility [patent_app_number] => 09/481460 [patent_app_country] => US [patent_app_date] => 2000-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 15 [patent_no_of_words] => 7622 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/980/06980647.pdf [firstpage_image] =>[orig_patent_app_number] => 09481460 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/481460
Primary telephone line protector with failsafe Jan 10, 2000 Issued
Array ( [id] => 1175590 [patent_doc_number] => 06757372 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-06-29 [patent_title] => 'User interface for a network-enabled telephone' [patent_app_type] => B1 [patent_app_number] => 09/481011 [patent_app_country] => US [patent_app_date] => 2000-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 32 [patent_figures_cnt] => 33 [patent_no_of_words] => 9879 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/757/06757372.pdf [firstpage_image] =>[orig_patent_app_number] => 09481011 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/481011
User interface for a network-enabled telephone Jan 9, 2000 Issued
Array ( [id] => 1175664 [patent_doc_number] => 06757382 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-06-29 [patent_title] => 'Quasi ground fault interruption signal-based activation of emergency pots by-pass paths for line-powered digital subscriber loop' [patent_app_type] => B1 [patent_app_number] => 09/478905 [patent_app_country] => US [patent_app_date] => 2000-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3971 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 250 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/757/06757382.pdf [firstpage_image] =>[orig_patent_app_number] => 09478905 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/478905
Quasi ground fault interruption signal-based activation of emergency pots by-pass paths for line-powered digital subscriber loop Jan 6, 2000 Issued
Array ( [id] => 1074758 [patent_doc_number] => 06839426 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2005-01-04 [patent_title] => 'Echo cancellor' [patent_app_type] => utility [patent_app_number] => 09/478545 [patent_app_country] => US [patent_app_date] => 2000-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6190 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/839/06839426.pdf [firstpage_image] =>[orig_patent_app_number] => 09478545 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/478545
Echo cancellor Jan 5, 2000 Issued
Array ( [id] => 1174221 [patent_doc_number] => 06760431 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-07-06 [patent_title] => 'Methods and apparatus for identification and user prompting for storage of frequently used data items' [patent_app_type] => B1 [patent_app_number] => 09/477974 [patent_app_country] => US [patent_app_date] => 2000-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 15 [patent_no_of_words] => 7556 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/760/06760431.pdf [firstpage_image] =>[orig_patent_app_number] => 09477974 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/477974
Methods and apparatus for identification and user prompting for storage of frequently used data items Jan 4, 2000 Issued
Array ( [id] => 1067674 [patent_doc_number] => 06847702 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2005-01-25 [patent_title] => 'Systems and methods for enhanced reliability in a communication system' [patent_app_type] => utility [patent_app_number] => 09/476799 [patent_app_country] => US [patent_app_date] => 1999-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 5734 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/847/06847702.pdf [firstpage_image] =>[orig_patent_app_number] => 09476799 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/476799
Systems and methods for enhanced reliability in a communication system Dec 29, 1999 Issued
Array ( [id] => 1248063 [patent_doc_number] => 06678377 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-01-13 [patent_title] => 'Monolithically integrated telephone circuit for driving wide-band telephone lines for data transmission' [patent_app_type] => B1 [patent_app_number] => 09/476487 [patent_app_country] => US [patent_app_date] => 1999-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2074 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/678/06678377.pdf [firstpage_image] =>[orig_patent_app_number] => 09476487 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/476487
Monolithically integrated telephone circuit for driving wide-band telephone lines for data transmission Dec 29, 1999 Issued
Array ( [id] => 1039260 [patent_doc_number] => 06873702 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2005-03-29 [patent_title] => 'Telephone subscriber system' [patent_app_type] => utility [patent_app_number] => 09/475804 [patent_app_country] => US [patent_app_date] => 1999-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 15 [patent_no_of_words] => 3279 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/873/06873702.pdf [firstpage_image] =>[orig_patent_app_number] => 09475804 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/475804
Telephone subscriber system Dec 29, 1999 Issued
Array ( [id] => 1450615 [patent_doc_number] => 06370230 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-04-09 [patent_title] => 'Method and system for diagnosing and testing modems and intermachine trunks' [patent_app_type] => B1 [patent_app_number] => 09/472581 [patent_app_country] => US [patent_app_date] => 1999-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2428 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/370/06370230.pdf [firstpage_image] =>[orig_patent_app_number] => 09472581 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/472581
Method and system for diagnosing and testing modems and intermachine trunks Dec 26, 1999 Issued
Array ( [id] => 1370740 [patent_doc_number] => 06577718 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-06-10 [patent_title] => 'Method for call forwarding without hairpinning and with split billing' [patent_app_type] => B1 [patent_app_number] => 09/469221 [patent_app_country] => US [patent_app_date] => 1999-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 33 [patent_figures_cnt] => 37 [patent_no_of_words] => 42798 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/577/06577718.pdf [firstpage_image] =>[orig_patent_app_number] => 09469221 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/469221
Method for call forwarding without hairpinning and with split billing Dec 21, 1999 Issued
Array ( [id] => 1185828 [patent_doc_number] => 06738455 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-05-18 [patent_title] => 'Apparatus and method for testing subscriber lines and equipment' [patent_app_type] => B1 [patent_app_number] => 09/469762 [patent_app_country] => US [patent_app_date] => 1999-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 6417 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 262 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/738/06738455.pdf [firstpage_image] =>[orig_patent_app_number] => 09469762 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/469762
Apparatus and method for testing subscriber lines and equipment Dec 21, 1999 Issued
Array ( [id] => 1520694 [patent_doc_number] => 06501830 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-12-31 [patent_title] => 'Method of and device for measuring echo parameters on telephone lines' [patent_app_type] => B1 [patent_app_number] => 09/445950 [patent_app_country] => US [patent_app_date] => 1999-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 4000 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/501/06501830.pdf [firstpage_image] =>[orig_patent_app_number] => 09445950 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/445950
Method of and device for measuring echo parameters on telephone lines Dec 15, 1999 Issued
Array ( [id] => 1507885 [patent_doc_number] => 06466649 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-10-15 [patent_title] => 'Detection of bridged taps by frequency domain reflectometry' [patent_app_type] => B1 [patent_app_number] => 09/456681 [patent_app_country] => US [patent_app_date] => 1999-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 4897 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/466/06466649.pdf [firstpage_image] =>[orig_patent_app_number] => 09456681 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/456681
Detection of bridged taps by frequency domain reflectometry Dec 8, 1999 Issued
Array ( [id] => 1020231 [patent_doc_number] => 06891937 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2005-05-10 [patent_title] => 'Method and apparatus for administration of circuit inventories in telecommunication networks' [patent_app_type] => utility [patent_app_number] => 09/456311 [patent_app_country] => US [patent_app_date] => 1999-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 6582 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/891/06891937.pdf [firstpage_image] =>[orig_patent_app_number] => 09456311 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/456311
Method and apparatus for administration of circuit inventories in telecommunication networks Dec 7, 1999 Issued
Array ( [id] => 1399650 [patent_doc_number] => 06560316 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-05-06 [patent_title] => 'Method of monitoring a subscriber of an intelligent network' [patent_app_type] => B1 [patent_app_number] => 09/454200 [patent_app_country] => US [patent_app_date] => 1999-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2134 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/560/06560316.pdf [firstpage_image] =>[orig_patent_app_number] => 09454200 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/454200
Method of monitoring a subscriber of an intelligent network Dec 2, 1999 Issued
Array ( [id] => 1416211 [patent_doc_number] => 06542590 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-04-01 [patent_title] => 'Multiple user telephone accounting' [patent_app_type] => B1 [patent_app_number] => 09/449901 [patent_app_country] => US [patent_app_date] => 1999-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 976 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/542/06542590.pdf [firstpage_image] =>[orig_patent_app_number] => 09449901 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/449901
Multiple user telephone accounting Dec 1, 1999 Issued
Array ( [id] => 1493974 [patent_doc_number] => 06418207 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-07-09 [patent_title] => 'Method and system for detecting a change in at least one telecommunication rate plan' [patent_app_type] => B1 [patent_app_number] => 09/451613 [patent_app_country] => US [patent_app_date] => 1999-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4763 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/418/06418207.pdf [firstpage_image] =>[orig_patent_app_number] => 09451613 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/451613
Method and system for detecting a change in at least one telecommunication rate plan Nov 29, 1999 Issued
Array ( [id] => 1493985 [patent_doc_number] => 06418210 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-07-09 [patent_title] => 'Method and apparatus for providing information between a calling network and a called network' [patent_app_type] => B1 [patent_app_number] => 09/450304 [patent_app_country] => US [patent_app_date] => 1999-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3690 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/418/06418210.pdf [firstpage_image] =>[orig_patent_app_number] => 09450304 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/450304
Method and apparatus for providing information between a calling network and a called network Nov 28, 1999 Issued
Array ( [id] => 1450620 [patent_doc_number] => 06370231 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-04-09 [patent_title] => 'Method and system for calculating the estimated time of arrival of a service technician' [patent_app_type] => B1 [patent_app_number] => 09/448652 [patent_app_country] => US [patent_app_date] => 1999-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4088 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/370/06370231.pdf [firstpage_image] =>[orig_patent_app_number] => 09448652 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/448652
Method and system for calculating the estimated time of arrival of a service technician Nov 23, 1999 Issued
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