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] => 6875714 [patent_doc_number] => 20010000808 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-05-03 [patent_title] => 'Method and apparatus for providing prepaid telecommunications services' [patent_app_type] => new-utility [patent_app_number] => 09/732881 [patent_app_country] => US [patent_app_date] => 2000-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5623 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0000/20010000808.pdf [firstpage_image] =>[orig_patent_app_number] => 09732881 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/732881
Method and apparatus for providing prepaid telecommunications services Dec 10, 2000 Issued
Array ( [id] => 6607603 [patent_doc_number] => 20020064261 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-05-30 [patent_title] => 'Professional services billing personal identification number' [patent_app_type] => new [patent_app_number] => 09/750619 [patent_app_country] => US [patent_app_date] => 2000-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3109 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0064/20020064261.pdf [firstpage_image] =>[orig_patent_app_number] => 09750619 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/750619
Professional services billing personal identification number Nov 29, 2000 Issued
Array ( [id] => 1320856 [patent_doc_number] => 06614881 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-09-02 [patent_title] => 'Remotely operable telecommunications conductor test circuit and method for using the same' [patent_app_type] => B1 [patent_app_number] => 09/690210 [patent_app_country] => US [patent_app_date] => 2000-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 8270 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/614/06614881.pdf [firstpage_image] =>[orig_patent_app_number] => 09690210 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/690210
Remotely operable telecommunications conductor test circuit and method for using the same Oct 16, 2000 Issued
Array ( [id] => 1352041 [patent_doc_number] => 06590961 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-07-08 [patent_title] => 'Call protect systems with handoff redundancy' [patent_app_type] => B1 [patent_app_number] => 09/689101 [patent_app_country] => US [patent_app_date] => 2000-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3619 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/590/06590961.pdf [firstpage_image] =>[orig_patent_app_number] => 09689101 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/689101
Call protect systems with handoff redundancy Oct 11, 2000 Issued
Array ( [id] => 1036436 [patent_doc_number] => 06876726 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2005-04-05 [patent_title] => 'Determining the composition of physical structures from boundary measurements, including the composition of subscriber loops' [patent_app_type] => utility [patent_app_number] => 09/676801 [patent_app_country] => US [patent_app_date] => 2000-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5405 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/876/06876726.pdf [firstpage_image] =>[orig_patent_app_number] => 09676801 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/676801
Determining the composition of physical structures from boundary measurements, including the composition of subscriber loops Sep 28, 2000 Issued
Array ( [id] => 1465620 [patent_doc_number] => 06351521 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-02-26 [patent_title] => 'Communications test system' [patent_app_type] => B1 [patent_app_number] => 09/664648 [patent_app_country] => US [patent_app_date] => 2000-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3131 [patent_no_of_claims] => 93 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/351/06351521.pdf [firstpage_image] =>[orig_patent_app_number] => 09664648 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/664648
Communications test system Sep 18, 2000 Issued
Array ( [id] => 7646282 [patent_doc_number] => 06477238 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-11-05 [patent_title] => 'Loop certification and measurement for ADSL' [patent_app_type] => B1 [patent_app_number] => 09/660395 [patent_app_country] => US [patent_app_date] => 2000-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 11118 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 5 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/477/06477238.pdf [firstpage_image] =>[orig_patent_app_number] => 09660395 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/660395
Loop certification and measurement for ADSL Sep 11, 2000 Issued
09/623890 Call returning service Sep 10, 2000 Abandoned
Array ( [id] => 1227720 [patent_doc_number] => 06700960 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-03-02 [patent_title] => 'Apparatus for tracking connection of service provider customers via customer use patterns' [patent_app_type] => B1 [patent_app_number] => 09/650634 [patent_app_country] => US [patent_app_date] => 2000-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 5002 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/700/06700960.pdf [firstpage_image] =>[orig_patent_app_number] => 09650634 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/650634
Apparatus for tracking connection of service provider customers via customer use patterns Aug 29, 2000 Issued
Array ( [id] => 1594175 [patent_doc_number] => 06483908 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-11-19 [patent_title] => 'Method for tracking connection of service provider customers via customer use patterns' [patent_app_type] => B1 [patent_app_number] => 09/650731 [patent_app_country] => US [patent_app_date] => 2000-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 4999 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/483/06483908.pdf [firstpage_image] =>[orig_patent_app_number] => 09650731 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/650731
Method for tracking connection of service provider customers via customer use patterns Aug 29, 2000 Issued
Array ( [id] => 1458445 [patent_doc_number] => 06463139 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-10-08 [patent_title] => 'Combination pre-paid and calling card' [patent_app_type] => B1 [patent_app_number] => 09/645126 [patent_app_country] => US [patent_app_date] => 2000-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3391 [patent_no_of_claims] => 17 [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/06/463/06463139.pdf [firstpage_image] =>[orig_patent_app_number] => 09645126 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/645126
Combination pre-paid and calling card Aug 23, 2000 Issued
Array ( [id] => 1370631 [patent_doc_number] => 06577710 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-06-10 [patent_title] => 'Method for checking a switching center, line unit and switching center for implementing the method, as well as an appertaining computer program' [patent_app_type] => B1 [patent_app_number] => 09/644760 [patent_app_country] => US [patent_app_date] => 2000-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6354 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/577/06577710.pdf [firstpage_image] =>[orig_patent_app_number] => 09644760 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/644760
Method for checking a switching center, line unit and switching center for implementing the method, as well as an appertaining computer program Aug 22, 2000 Issued
Array ( [id] => 1511951 [patent_doc_number] => 06442262 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-08-27 [patent_title] => 'Method and system for providing enhanced caller identification' [patent_app_type] => B1 [patent_app_number] => 09/643553 [patent_app_country] => US [patent_app_date] => 2000-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3601 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/442/06442262.pdf [firstpage_image] =>[orig_patent_app_number] => 09643553 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/643553
Method and system for providing enhanced caller identification Aug 21, 2000 Issued
Array ( [id] => 1292918 [patent_doc_number] => 06639977 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-10-28 [patent_title] => 'System and method for reverse billing of a telephone call' [patent_app_type] => B1 [patent_app_number] => 09/640831 [patent_app_country] => US [patent_app_date] => 2000-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 4006 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/639/06639977.pdf [firstpage_image] =>[orig_patent_app_number] => 09640831 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/640831
System and method for reverse billing of a telephone call Aug 16, 2000 Issued
09/637050 ADSL LOOP QUALIFICATION SYSTEMS AND METHODS Aug 10, 2000 Abandoned
Array ( [id] => 1115293 [patent_doc_number] => 06804328 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-10-12 [patent_title] => 'Intelligent line testing' [patent_app_type] => B1 [patent_app_number] => 09/631181 [patent_app_country] => US [patent_app_date] => 2000-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 3052 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/804/06804328.pdf [firstpage_image] =>[orig_patent_app_number] => 09631181 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/631181
Intelligent line testing Aug 1, 2000 Issued
09/631332 System for determining a low cost communication carrier Aug 1, 2000 Abandoned
Array ( [id] => 1416226 [patent_doc_number] => 06542591 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-04-01 [patent_title] => 'Method and system for caller identification callback lists' [patent_app_type] => B1 [patent_app_number] => 09/627030 [patent_app_country] => US [patent_app_date] => 2000-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 7071 [patent_no_of_claims] => 48 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/542/06542591.pdf [firstpage_image] =>[orig_patent_app_number] => 09627030 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/627030
Method and system for caller identification callback lists Jul 26, 2000 Issued
Array ( [id] => 1600525 [patent_doc_number] => 06385299 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-05-07 [patent_title] => 'Line testing in a telecommunications network' [patent_app_type] => B1 [patent_app_number] => 09/612388 [patent_app_country] => US [patent_app_date] => 2000-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 4581 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/385/06385299.pdf [firstpage_image] =>[orig_patent_app_number] => 09612388 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/612388
Line testing in a telecommunications network Jul 6, 2000 Issued
90/005766 PRE-PAID CARD SYSTEM AND METHOD Jul 5, 2000 Issued
Menu