Search

Duc Minh Nguyen

Supervisory Patent Examiner (ID: 6773, Phone: (571)272-7503 , Office: P/2651 )

Most Active Art Unit
2643
Art Unit(s)
2691, 2651, 2617, 2618, 2605, 2743, 2643, 2608
Total Applications
683
Issued Applications
510
Pending Applications
57
Abandoned Applications
123

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 7642768 [patent_doc_number] => 06430278 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-08-06 [patent_title] => 'System and device for detecting subscriber\'s busy hour' [patent_app_type] => B1 [patent_app_number] => 09/580650 [patent_app_country] => US [patent_app_date] => 2000-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 7929 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/430/06430278.pdf [firstpage_image] =>[orig_patent_app_number] => 09580650 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/580650
System and device for detecting subscriber's busy hour May 29, 2000 Issued
Array ( [id] => 1220497 [patent_doc_number] => 06707894 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-03-16 [patent_title] => 'Prepaid calling time processing: a method and apparatus for processing pre-paid calling time in a telephone communication system' [patent_app_type] => B1 [patent_app_number] => 09/578031 [patent_app_country] => US [patent_app_date] => 2000-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3854 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/707/06707894.pdf [firstpage_image] =>[orig_patent_app_number] => 09578031 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/578031
Prepaid calling time processing: a method and apparatus for processing pre-paid calling time in a telephone communication system May 23, 2000 Issued
Array ( [id] => 1413296 [patent_doc_number] => 06546093 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-04-08 [patent_title] => 'Systems and methods for extracting switch data' [patent_app_type] => B1 [patent_app_number] => 09/571806 [patent_app_country] => US [patent_app_date] => 2000-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 3649 [patent_no_of_claims] => 14 [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/06/546/06546093.pdf [firstpage_image] =>[orig_patent_app_number] => 09571806 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/571806
Systems and methods for extracting switch data May 15, 2000 Issued
Array ( [id] => 7631951 [patent_doc_number] => 06665386 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-12-16 [patent_title] => 'Systems and methods for extracting switch data' [patent_app_type] => B1 [patent_app_number] => 09/571784 [patent_app_country] => US [patent_app_date] => 2000-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 3714 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/665/06665386.pdf [firstpage_image] =>[orig_patent_app_number] => 09571784 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/571784
Systems and methods for extracting switch data May 15, 2000 Issued
Array ( [id] => 4346905 [patent_doc_number] => 06314171 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-11-06 [patent_title] => 'Method and apparatus for extending a pre-paid calling card limit' [patent_app_type] => 1 [patent_app_number] => 9/570931 [patent_app_country] => US [patent_app_date] => 2000-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3078 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/314/06314171.pdf [firstpage_image] =>[orig_patent_app_number] => 570931 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/570931
Method and apparatus for extending a pre-paid calling card limit May 14, 2000 Issued
Array ( [id] => 1600529 [patent_doc_number] => 06385300 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-05-07 [patent_title] => 'Modular test instrument' [patent_app_type] => B1 [patent_app_number] => 09/566123 [patent_app_country] => US [patent_app_date] => 2000-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 9811 [patent_no_of_claims] => 61 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/385/06385300.pdf [firstpage_image] =>[orig_patent_app_number] => 09566123 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/566123
Modular test instrument May 4, 2000 Issued
Array ( [id] => 4395609 [patent_doc_number] => 06304641 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-16 [patent_title] => 'System and method for forwarding call from disconnected telephone number to new telephone number' [patent_app_type] => 1 [patent_app_number] => 9/559129 [patent_app_country] => US [patent_app_date] => 2000-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 6604 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/304/06304641.pdf [firstpage_image] =>[orig_patent_app_number] => 559129 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/559129
System and method for forwarding call from disconnected telephone number to new telephone number Apr 27, 2000 Issued
Array ( [id] => 1096065 [patent_doc_number] => 06826260 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-11-30 [patent_title] => 'Method and apparatus for an MLSC state machine' [patent_app_type] => B1 [patent_app_number] => 09/541411 [patent_app_country] => US [patent_app_date] => 2000-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3740 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/826/06826260.pdf [firstpage_image] =>[orig_patent_app_number] => 09541411 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/541411
Method and apparatus for an MLSC state machine Mar 30, 2000 Issued
09/522630 Add-on coin jam sensors for existing payphones Mar 9, 2000 Abandoned
Array ( [id] => 1405273 [patent_doc_number] => 06553108 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-04-22 [patent_title] => 'Method of billing a communication session conducted over a computer network' [patent_app_type] => B1 [patent_app_number] => 09/495924 [patent_app_country] => US [patent_app_date] => 2000-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 20415 [patent_no_of_claims] => 50 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/553/06553108.pdf [firstpage_image] =>[orig_patent_app_number] => 09495924 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/495924
Method of billing a communication session conducted over a computer network Feb 1, 2000 Issued
Array ( [id] => 4293335 [patent_doc_number] => 06282276 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-08-28 [patent_title] => 'Method of billing a value-added call' [patent_app_type] => 1 [patent_app_number] => 9/495923 [patent_app_country] => US [patent_app_date] => 2000-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 9788 [patent_no_of_claims] => 118 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 17 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/282/06282276.pdf [firstpage_image] =>[orig_patent_app_number] => 495923 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/495923
Method of billing a value-added call Feb 1, 2000 Issued
Array ( [id] => 4368963 [patent_doc_number] => 06292540 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-09-18 [patent_title] => 'Battery injection and loop supervision for DSL environment' [patent_app_type] => 1 [patent_app_number] => 9/493342 [patent_app_country] => US [patent_app_date] => 2000-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 6273 [patent_no_of_claims] => 66 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/292/06292540.pdf [firstpage_image] =>[orig_patent_app_number] => 493342 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/493342
Battery injection and loop supervision for DSL environment Jan 27, 2000 Issued
Array ( [id] => 1420775 [patent_doc_number] => 06535591 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-03-18 [patent_title] => 'Method for providing telecommunications service pricing' [patent_app_type] => B1 [patent_app_number] => 09/492540 [patent_app_country] => US [patent_app_date] => 2000-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5776 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/535/06535591.pdf [firstpage_image] =>[orig_patent_app_number] => 09492540 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/492540
Method for providing telecommunications service pricing Jan 26, 2000 Issued
Array ( [id] => 1136854 [patent_doc_number] => 06788782 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-09-07 [patent_title] => 'Method and apparatus for switching between multiple communication lines' [patent_app_type] => B1 [patent_app_number] => 09/488340 [patent_app_country] => US [patent_app_date] => 2000-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2663 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/788/06788782.pdf [firstpage_image] =>[orig_patent_app_number] => 09488340 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/488340
Method and apparatus for switching between multiple communication lines Jan 19, 2000 Issued
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
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