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] => 2673462 [patent_doc_number] => 04954732 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-04 [patent_title] => 'Adaptive nonlinear frequency domain filter with low phase loss' [patent_app_type] => 1 [patent_app_number] => 7/225276 [patent_app_country] => US [patent_app_date] => 1988-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 16 [patent_no_of_words] => 5642 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/954/04954732.pdf [firstpage_image] =>[orig_patent_app_number] => 225276 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/225276
Adaptive nonlinear frequency domain filter with low phase loss Jul 27, 1988 Issued
Array ( [id] => 2515352 [patent_doc_number] => 04841172 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-06-20 [patent_title] => 'Bipolar-MOS logic circuit with high speed operation' [patent_app_type] => 1 [patent_app_number] => 7/225495 [patent_app_country] => US [patent_app_date] => 1988-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 3519 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/841/04841172.pdf [firstpage_image] =>[orig_patent_app_number] => 225495 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/225495
Bipolar-MOS logic circuit with high speed operation Jul 27, 1988 Issued
Array ( [id] => 2478147 [patent_doc_number] => 04887042 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-12-12 [patent_title] => 'High speed multi-channel phase detector' [patent_app_type] => 1 [patent_app_number] => 7/222700 [patent_app_country] => US [patent_app_date] => 1988-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2804 [patent_no_of_claims] => 7 [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/04/887/04887042.pdf [firstpage_image] =>[orig_patent_app_number] => 222700 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/222700
High speed multi-channel phase detector Jul 21, 1988 Issued
07/220929 DIGITAL TIMING SIGNAL GENERATOR AND VOLTAGE REGULATION CIRCUIT Jul 14, 1988 Abandoned
07/212396 DIGITAL PHASE LOCK CLOCK GENERATOR WITHOUT LOCAL OSCILLATOR Jun 26, 1988 Abandoned
07/209648 OUTPUT DRIVER FOR REDUCING T5RANSIENT NOISE IN INTEGRATED CIRCUITS Jun 20, 1988 Abandoned
07/208761 HIGH VOLTAGE SYSTEM USING FIELD EFFECT TRANSISTORS Jun 19, 1988 Abandoned
Array ( [id] => 2567419 [patent_doc_number] => 04849661 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-07-18 [patent_title] => 'CMOS input buffer with switched capacitor reference voltage generator' [patent_app_type] => 1 [patent_app_number] => 7/207670 [patent_app_country] => US [patent_app_date] => 1988-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 6998 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 250 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/849/04849661.pdf [firstpage_image] =>[orig_patent_app_number] => 207670 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/207670
CMOS input buffer with switched capacitor reference voltage generator Jun 15, 1988 Issued
07/206037 CAPACITIVE LOAD DRIVE CIRCUIT Jun 12, 1988 Abandoned
07/198754 ASYNCHRONOUSLY LOADABLE D-TYPE FLIP-FLOP Jun 8, 1988 Abandoned
Array ( [id] => 2482749 [patent_doc_number] => 04876462 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-10-24 [patent_title] => 'Control circuit for multipurpose input terminal' [patent_app_type] => 1 [patent_app_number] => 7/200103 [patent_app_country] => US [patent_app_date] => 1988-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4098 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 244 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/876/04876462.pdf [firstpage_image] =>[orig_patent_app_number] => 200103 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/200103
Control circuit for multipurpose input terminal May 30, 1988 Issued
Array ( [id] => 2527334 [patent_doc_number] => 04877977 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-10-31 [patent_title] => 'ECL circuit having an improved emitter follower output circuit' [patent_app_type] => 1 [patent_app_number] => 7/199637 [patent_app_country] => US [patent_app_date] => 1988-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 4022 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/877/04877977.pdf [firstpage_image] =>[orig_patent_app_number] => 199637 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/199637
ECL circuit having an improved emitter follower output circuit May 26, 1988 Issued
07/198273 BICMOS TTL OUTPUT DRIVER CIRCUIT May 24, 1988 Abandoned
Array ( [id] => 2620952 [patent_doc_number] => 04943779 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-07-24 [patent_title] => 'Digital sweep generator' [patent_app_type] => 1 [patent_app_number] => 7/195790 [patent_app_country] => US [patent_app_date] => 1988-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 5656 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/943/04943779.pdf [firstpage_image] =>[orig_patent_app_number] => 195790 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/195790
Digital sweep generator May 18, 1988 Issued
07/194778 PROGRAMMABLE SEQUENCE GENERATOR May 16, 1988 Abandoned
Array ( [id] => 2559102 [patent_doc_number] => 04897560 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-01-30 [patent_title] => 'Semiconductor integrated circuit with reduced power consumption' [patent_app_type] => 1 [patent_app_number] => 7/190745 [patent_app_country] => US [patent_app_date] => 1988-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3462 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 293 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/897/04897560.pdf [firstpage_image] =>[orig_patent_app_number] => 190745 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/190745
Semiconductor integrated circuit with reduced power consumption May 4, 1988 Issued
Array ( [id] => 2646502 [patent_doc_number] => 04939387 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-07-03 [patent_title] => 'Impulse waveform drive apparatus for surface acoustic wave chirp system' [patent_app_type] => 1 [patent_app_number] => 7/190658 [patent_app_country] => US [patent_app_date] => 1988-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 5 [patent_no_of_words] => 1530 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/939/04939387.pdf [firstpage_image] =>[orig_patent_app_number] => 190658 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/190658
Impulse waveform drive apparatus for surface acoustic wave chirp system May 4, 1988 Issued
Array ( [id] => 2684597 [patent_doc_number] => 05004937 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-04-02 [patent_title] => 'Circuit configuration for accelerated charge reversal of the voltage level of a bus line of an integrated circuit' [patent_app_type] => 1 [patent_app_number] => 7/186374 [patent_app_country] => US [patent_app_date] => 1988-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2538 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/004/05004937.pdf [firstpage_image] =>[orig_patent_app_number] => 186374 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/186374
Circuit configuration for accelerated charge reversal of the voltage level of a bus line of an integrated circuit Apr 25, 1988 Issued
Array ( [id] => 2680180 [patent_doc_number] => 04905314 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-02-27 [patent_title] => 'Semiconductor integrated circuit device having an object circuit to which output voltages of the sub- and main booster circuits are applied' [patent_app_type] => 1 [patent_app_number] => 7/184580 [patent_app_country] => US [patent_app_date] => 1988-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3469 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/905/04905314.pdf [firstpage_image] =>[orig_patent_app_number] => 184580 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/184580
Semiconductor integrated circuit device having an object circuit to which output voltages of the sub- and main booster circuits are applied Apr 20, 1988 Issued
Array ( [id] => 2519342 [patent_doc_number] => 04851783 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-07-25 [patent_title] => 'Method of and apparatus for digitally setting a control frequency' [patent_app_type] => 1 [patent_app_number] => 7/181974 [patent_app_country] => US [patent_app_date] => 1988-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3992 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 273 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/851/04851783.pdf [firstpage_image] =>[orig_patent_app_number] => 181974 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/181974
Method of and apparatus for digitally setting a control frequency Apr 14, 1988 Issued
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