Search

Timothy P. Callahan

Director (ID: 5413, Phone: (571)272-4066 , Office: P/2400 )

Most Active Art Unit
2504
Art Unit(s)
2899, 2504, 2816
Total Applications
793
Issued Applications
652
Pending Applications
7
Abandoned Applications
134

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2605996 [patent_doc_number] => 04931671 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-06-05 [patent_title] => 'Multiple array customizable logic device' [patent_app_type] => 1 [patent_app_number] => 7/178707 [patent_app_country] => US [patent_app_date] => 1988-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4060 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/931/04931671.pdf [firstpage_image] =>[orig_patent_app_number] => 178707 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/178707
Multiple array customizable logic device Apr 6, 1988 Issued
Array ( [id] => 2630155 [patent_doc_number] => 04950929 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-08-21 [patent_title] => 'Reducing resistive effects of an electrical switch' [patent_app_type] => 1 [patent_app_number] => 7/178566 [patent_app_country] => US [patent_app_date] => 1988-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2508 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/950/04950929.pdf [firstpage_image] =>[orig_patent_app_number] => 178566 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/178566
Reducing resistive effects of an electrical switch Apr 6, 1988 Issued
Array ( [id] => 2559585 [patent_doc_number] => 04808939 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-02-28 [patent_title] => 'Variable rate rectangular matched filter' [patent_app_type] => 1 [patent_app_number] => 7/177284 [patent_app_country] => US [patent_app_date] => 1988-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2630 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/808/04808939.pdf [firstpage_image] =>[orig_patent_app_number] => 177284 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/177284
Variable rate rectangular matched filter Apr 3, 1988 Issued
Array ( [id] => 2565098 [patent_doc_number] => 04837465 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-06-06 [patent_title] => 'Single rail CMOS register array and sense amplifier circuit therefor' [patent_app_type] => 1 [patent_app_number] => 7/175058 [patent_app_country] => US [patent_app_date] => 1988-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3581 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 312 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/837/04837465.pdf [firstpage_image] =>[orig_patent_app_number] => 175058 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/175058
Single rail CMOS register array and sense amplifier circuit therefor Mar 29, 1988 Issued
07/173757 VOLTAGE LEVEL JUDGING DEVICE Mar 27, 1988 Abandoned
Array ( [id] => 2775734 [patent_doc_number] => 04985683 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-01-15 [patent_title] => 'Circuitry for measuring phase difference between two oscillatory signals' [patent_app_type] => 1 [patent_app_number] => 7/173201 [patent_app_country] => US [patent_app_date] => 1988-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 5645 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/985/04985683.pdf [firstpage_image] =>[orig_patent_app_number] => 173201 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/173201
Circuitry for measuring phase difference between two oscillatory signals Mar 23, 1988 Issued
07/171994 INTEGRATED CIRCUIT COMPRISING AN ON-CHIP SUPPLY VOLTAGE REDUCER Mar 22, 1988 Abandoned
Array ( [id] => 2673063 [patent_doc_number] => 04904948 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-02-27 [patent_title] => 'Phase comparator circuit' [patent_app_type] => 1 [patent_app_number] => 7/167712 [patent_app_country] => US [patent_app_date] => 1988-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 5393 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/904/04904948.pdf [firstpage_image] =>[orig_patent_app_number] => 167712 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/167712
Phase comparator circuit Mar 13, 1988 Issued
Array ( [id] => 2605960 [patent_doc_number] => 04931669 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-06-05 [patent_title] => 'High speed logic circuit having output feedback' [patent_app_type] => 1 [patent_app_number] => 7/167088 [patent_app_country] => US [patent_app_date] => 1988-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 5283 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/931/04931669.pdf [firstpage_image] =>[orig_patent_app_number] => 167088 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/167088
High speed logic circuit having output feedback Mar 10, 1988 Issued
Array ( [id] => 2530871 [patent_doc_number] => 04862015 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-08-29 [patent_title] => 'Constant propagation delay current reference' [patent_app_type] => 1 [patent_app_number] => 7/163909 [patent_app_country] => US [patent_app_date] => 1988-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1912 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/862/04862015.pdf [firstpage_image] =>[orig_patent_app_number] => 163909 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/163909
Constant propagation delay current reference Mar 2, 1988 Issued
07/162149 LATCH CIRCUIT Feb 28, 1988 Abandoned
Array ( [id] => 2495502 [patent_doc_number] => 04843254 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-06-27 [patent_title] => 'Master-slave flip-flop circuit with three phase clocking' [patent_app_type] => 1 [patent_app_number] => 7/162226 [patent_app_country] => US [patent_app_date] => 1988-02-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3053 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 287 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/843/04843254.pdf [firstpage_image] =>[orig_patent_app_number] => 162226 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/162226
Master-slave flip-flop circuit with three phase clocking Feb 28, 1988 Issued
Array ( [id] => 2559270 [patent_doc_number] => 04897569 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-01-30 [patent_title] => 'CMOS amplifier for memories' [patent_app_type] => 1 [patent_app_number] => 7/158710 [patent_app_country] => US [patent_app_date] => 1988-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1819 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/897/04897569.pdf [firstpage_image] =>[orig_patent_app_number] => 158710 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/158710
CMOS amplifier for memories Feb 21, 1988 Issued
07/156779 CIRCUIT SYNCHRONIZATION SYSTEM Feb 16, 1988 Abandoned
Array ( [id] => 2484071 [patent_doc_number] => 04882545 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-11-21 [patent_title] => 'Circuit arrangement for detecting a critical frequency of input pulses' [patent_app_type] => 1 [patent_app_number] => 7/153069 [patent_app_country] => US [patent_app_date] => 1988-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1322 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/882/04882545.pdf [firstpage_image] =>[orig_patent_app_number] => 153069 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/153069
Circuit arrangement for detecting a critical frequency of input pulses Feb 7, 1988 Issued
07/152916 CLOCK SIGNAL SUPPLY SYSTEM Feb 4, 1988 Abandoned
07/150862 HIGH SPEED CMOS TRANSITION DETECTOR CIRCUIT Jan 31, 1988 Abandoned
Array ( [id] => 2479358 [patent_doc_number] => 04890015 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-12-26 [patent_title] => 'Method and circuitry for controlling the compensation of negative internal ground voltage fluctuations' [patent_app_type] => 1 [patent_app_number] => 7/149776 [patent_app_country] => US [patent_app_date] => 1988-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3160 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/890/04890015.pdf [firstpage_image] =>[orig_patent_app_number] => 149776 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/149776
Method and circuitry for controlling the compensation of negative internal ground voltage fluctuations Jan 28, 1988 Issued
Array ( [id] => 2856625 [patent_doc_number] => 05126593 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-30 [patent_title] => 'Method and circuitry for reducing output transients resulting from internal ground instabilities' [patent_app_type] => 1 [patent_app_number] => 7/149767 [patent_app_country] => US [patent_app_date] => 1988-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4028 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/126/05126593.pdf [firstpage_image] =>[orig_patent_app_number] => 149767 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/149767
Method and circuitry for reducing output transients resulting from internal ground instabilities Jan 28, 1988 Issued
Array ( [id] => 2566655 [patent_doc_number] => 04857778 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-08-15 [patent_title] => 'Programmable universal active filter' [patent_app_type] => 1 [patent_app_number] => 7/149491 [patent_app_country] => US [patent_app_date] => 1988-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 4238 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 273 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/857/04857778.pdf [firstpage_image] =>[orig_patent_app_number] => 149491 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/149491
Programmable universal active filter Jan 27, 1988 Issued
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