Search

Matthew D. Krcha

Examiner (ID: 5045, Phone: (571)270-0386 , Office: P/1798 )

Most Active Art Unit
1798
Art Unit(s)
1796, 1773, 1798
Total Applications
690
Issued Applications
401
Pending Applications
132
Abandoned Applications
190

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2840443 [patent_doc_number] => 05120987 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-09 [patent_title] => 'Tunable timer for memory arrays' [patent_app_type] => 1 [patent_app_number] => 7/648116 [patent_app_country] => US [patent_app_date] => 1991-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2181 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/120/05120987.pdf [firstpage_image] =>[orig_patent_app_number] => 648116 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/648116
Tunable timer for memory arrays Jan 30, 1991 Issued
Array ( [id] => 2699169 [patent_doc_number] => 05065116 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-11-12 [patent_title] => 'Zero phase restart compensation for VCO' [patent_app_type] => 1 [patent_app_number] => 7/646867 [patent_app_country] => US [patent_app_date] => 1991-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2602 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/065/05065116.pdf [firstpage_image] =>[orig_patent_app_number] => 646867 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/646867
Zero phase restart compensation for VCO Jan 27, 1991 Issued
Array ( [id] => 2808200 [patent_doc_number] => 05124670 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-23 [patent_title] => 'Frequency synthesizers with fractional division' [patent_app_type] => 1 [patent_app_number] => 7/613568 [patent_app_country] => US [patent_app_date] => 1991-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 2254 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/124/05124670.pdf [firstpage_image] =>[orig_patent_app_number] => 613568 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/613568
Frequency synthesizers with fractional division Jan 23, 1991 Issued
Array ( [id] => 2777639 [patent_doc_number] => 05075568 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-24 [patent_title] => 'Switching bipolar driver circuit for inductive load' [patent_app_type] => 1 [patent_app_number] => 7/643311 [patent_app_country] => US [patent_app_date] => 1991-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 5 [patent_no_of_words] => 2366 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/075/05075568.pdf [firstpage_image] =>[orig_patent_app_number] => 643311 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/643311
Switching bipolar driver circuit for inductive load Jan 21, 1991 Issued
Array ( [id] => 2714114 [patent_doc_number] => 05061907 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-29 [patent_title] => 'High frequency CMOS VCO with gain constant and duty cycle compensation' [patent_app_type] => 1 [patent_app_number] => 7/642677 [patent_app_country] => US [patent_app_date] => 1991-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2439 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/061/05061907.pdf [firstpage_image] =>[orig_patent_app_number] => 642677 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/642677
High frequency CMOS VCO with gain constant and duty cycle compensation Jan 16, 1991 Issued
Array ( [id] => 2826188 [patent_doc_number] => 05173639 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-12-22 [patent_title] => 'Thermal switch assembly for electric lamps' [patent_app_type] => 1 [patent_app_number] => 7/634464 [patent_app_country] => US [patent_app_date] => 1990-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 10 [patent_no_of_words] => 3694 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/173/05173639.pdf [firstpage_image] =>[orig_patent_app_number] => 634464 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/634464
Thermal switch assembly for electric lamps Dec 26, 1990 Issued
Array ( [id] => 2778968 [patent_doc_number] => 05075638 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-24 [patent_title] => 'Standby system for a frequency synthesizer' [patent_app_type] => 1 [patent_app_number] => 7/633867 [patent_app_country] => US [patent_app_date] => 1990-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3200 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/075/05075638.pdf [firstpage_image] =>[orig_patent_app_number] => 633867 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/633867
Standby system for a frequency synthesizer Dec 25, 1990 Issued
Array ( [id] => 2796647 [patent_doc_number] => 05103194 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-04-07 [patent_title] => 'Dielectric resonator feed back stabilizer' [patent_app_type] => 1 [patent_app_number] => 7/632801 [patent_app_country] => US [patent_app_date] => 1990-12-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1703 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/103/05103194.pdf [firstpage_image] =>[orig_patent_app_number] => 632801 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/632801
Dielectric resonator feed back stabilizer Dec 23, 1990 Issued
Array ( [id] => 2769927 [patent_doc_number] => 05063361 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-11-05 [patent_title] => 'Serrodyne modulator' [patent_app_type] => 1 [patent_app_number] => 7/633558 [patent_app_country] => US [patent_app_date] => 1990-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 5487 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/063/05063361.pdf [firstpage_image] =>[orig_patent_app_number] => 633558 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/633558
Serrodyne modulator Dec 20, 1990 Issued
Array ( [id] => 2873429 [patent_doc_number] => 05097221 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-17 [patent_title] => 'Adaptive filter technique for suppression of wideband or offset narrowband radio frequency interference' [patent_app_type] => 1 [patent_app_number] => 7/631582 [patent_app_country] => US [patent_app_date] => 1990-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2360 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/097/05097221.pdf [firstpage_image] =>[orig_patent_app_number] => 631582 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/631582
Adaptive filter technique for suppression of wideband or offset narrowband radio frequency interference Dec 20, 1990 Issued
Array ( [id] => 2720088 [patent_doc_number] => 05053722 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-01 [patent_title] => 'Fault-tolerant, wideband radar microwave signal generator' [patent_app_type] => 1 [patent_app_number] => 7/633648 [patent_app_country] => US [patent_app_date] => 1990-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5193 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/053/05053722.pdf [firstpage_image] =>[orig_patent_app_number] => 633648 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/633648
Fault-tolerant, wideband radar microwave signal generator Dec 19, 1990 Issued
Array ( [id] => 2740469 [patent_doc_number] => 05077531 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-31 [patent_title] => 'PSK signal demodulation system' [patent_app_type] => 1 [patent_app_number] => 7/629749 [patent_app_country] => US [patent_app_date] => 1990-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 15 [patent_no_of_words] => 7418 [patent_no_of_claims] => 13 [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/05/077/05077531.pdf [firstpage_image] =>[orig_patent_app_number] => 629749 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/629749
PSK signal demodulation system Dec 17, 1990 Issued
Array ( [id] => 2758635 [patent_doc_number] => 05072192 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-10 [patent_title] => 'Phase loop demodulator' [patent_app_type] => 1 [patent_app_number] => 7/627107 [patent_app_country] => US [patent_app_date] => 1990-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1352 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/072/05072192.pdf [firstpage_image] =>[orig_patent_app_number] => 627107 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/627107
Phase loop demodulator Dec 12, 1990 Issued
Array ( [id] => 2795575 [patent_doc_number] => 05136261 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-08-04 [patent_title] => 'Saturated absorption double resonance system and apparatus' [patent_app_type] => 1 [patent_app_number] => 7/625445 [patent_app_country] => US [patent_app_date] => 1990-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 7007 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/136/05136261.pdf [firstpage_image] =>[orig_patent_app_number] => 625445 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/625445
Saturated absorption double resonance system and apparatus Dec 10, 1990 Issued
Array ( [id] => 2685271 [patent_doc_number] => 05066892 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-11-19 [patent_title] => 'Glow discharge lamp with incandescent filament' [patent_app_type] => 1 [patent_app_number] => 7/678571 [patent_app_country] => US [patent_app_date] => 1990-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3170 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/066/05066892.pdf [firstpage_image] =>[orig_patent_app_number] => 678571 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/678571
Glow discharge lamp with incandescent filament Dec 6, 1990 Issued
Array ( [id] => 2852709 [patent_doc_number] => 05107186 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-04-21 [patent_title] => 'Converter and discharge-lamp operating apparatus using the converter' [patent_app_type] => 1 [patent_app_number] => 7/624191 [patent_app_country] => US [patent_app_date] => 1990-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 5267 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/107/05107186.pdf [firstpage_image] =>[orig_patent_app_number] => 624191 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/624191
Converter and discharge-lamp operating apparatus using the converter Dec 5, 1990 Issued
Array ( [id] => 2882313 [patent_doc_number] => 05159282 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-27 [patent_title] => 'Demodulation apparatus incorporating adaptive equalizer for digital communication' [patent_app_type] => 1 [patent_app_number] => 7/625292 [patent_app_country] => US [patent_app_date] => 1990-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 35 [patent_figures_cnt] => 41 [patent_no_of_words] => 17426 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/159/05159282.pdf [firstpage_image] =>[orig_patent_app_number] => 625292 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/625292
Demodulation apparatus incorporating adaptive equalizer for digital communication Dec 5, 1990 Issued
Array ( [id] => 2878426 [patent_doc_number] => 05091705 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-02-25 [patent_title] => 'FM modulator' [patent_app_type] => 1 [patent_app_number] => 7/613717 [patent_app_country] => US [patent_app_date] => 1990-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 6372 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/091/05091705.pdf [firstpage_image] =>[orig_patent_app_number] => 613717 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/613717
FM modulator Dec 4, 1990 Issued
Array ( [id] => 2687675 [patent_doc_number] => 05045815 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-09-03 [patent_title] => 'Amplitude and phase balanced voltage-controlled oscillator' [patent_app_type] => 1 [patent_app_number] => 7/620957 [patent_app_country] => US [patent_app_date] => 1990-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 1000 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/045/05045815.pdf [firstpage_image] =>[orig_patent_app_number] => 620957 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/620957
Amplitude and phase balanced voltage-controlled oscillator Dec 2, 1990 Issued
Array ( [id] => 2823831 [patent_doc_number] => 05081433 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-01-14 [patent_title] => 'Two state phase modulator with minimum amplitude modulation' [patent_app_type] => 1 [patent_app_number] => 7/620667 [patent_app_country] => US [patent_app_date] => 1990-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 8 [patent_no_of_words] => 5398 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 259 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/081/05081433.pdf [firstpage_image] =>[orig_patent_app_number] => 620667 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/620667
Two state phase modulator with minimum amplitude modulation Dec 2, 1990 Issued
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