
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
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
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[pdf_file] => patents/06/430/06430278.pdf
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[rel_patent_id] =>[rel_patent_doc_number] =>) 09/580650 | System and device for detecting subscriber's busy hour | May 29, 2000 | Issued |
Array
(
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[patent_doc_number] => 06707894
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[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
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Array
(
[id] => 1413296
[patent_doc_number] => 06546093
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[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
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[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
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[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
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[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
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[firstpage_image] =>[orig_patent_app_number] => 09566123
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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
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[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
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[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
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[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
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Array
(
[id] => 4293335
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[patent_title] => 'Method of billing a value-added call'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 09/495923 | Method of billing a value-added call | Feb 1, 2000 | Issued |
Array
(
[id] => 4368963
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[patent_issue_date] => 2001-09-18
[patent_title] => 'Battery injection and loop supervision for DSL environment'
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[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
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[patent_title] => 'Method for providing telecommunications service pricing'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 09/492540 | Method for providing telecommunications service pricing | Jan 26, 2000 | Issued |
Array
(
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[patent_doc_number] => 06788782
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[patent_title] => 'Method and apparatus for switching between multiple communication lines'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 09/488340 | Method and apparatus for switching between multiple communication lines | Jan 19, 2000 | Issued |
Array
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[patent_title] => 'Frequency sensitive inductance device in POTS splitter design'
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Array
(
[id] => 932241
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[patent_title] => 'Primary telephone line protector with failsafe'
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Array
(
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Array
(
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[patent_title] => 'Quasi ground fault interruption signal-based activation of emergency pots by-pass paths for line-powered digital subscriber loop'
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Array
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[rel_patent_id] =>[rel_patent_doc_number] =>) 09/478545 | Echo cancellor | Jan 5, 2000 | Issued |
Array
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