Search

David H. Malzahn

Examiner (ID: 17134, Phone: (571)272-3727 , Office: P/2182 )

Most Active Art Unit
2193
Art Unit(s)
2193, 2306, 2301, 2787, 2182, 2121, 2302, 2124, 2183, 2307, 2786
Total Applications
3174
Issued Applications
2743
Pending Applications
60
Abandoned Applications
371

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2566108 [patent_doc_number] => 04809277 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-02-28 [patent_title] => 'Convolutional encoder' [patent_app_type] => 1 [patent_app_number] => 7/106681 [patent_app_country] => US [patent_app_date] => 1987-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1624 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/809/04809277.pdf [firstpage_image] =>[orig_patent_app_number] => 106681 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/106681
Convolutional encoder Oct 12, 1987 Issued
Array ( [id] => 2602261 [patent_doc_number] => 04918638 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-04-17 [patent_title] => 'Multiplier in a galois field' [patent_app_type] => 1 [patent_app_number] => 7/107363 [patent_app_country] => US [patent_app_date] => 1987-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 2739 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/918/04918638.pdf [firstpage_image] =>[orig_patent_app_number] => 107363 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/107363
Multiplier in a galois field Oct 8, 1987 Issued
Array ( [id] => 2520907 [patent_doc_number] => 04841467 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-06-20 [patent_title] => 'Architecture to implement floating point multiply/accumulate operations' [patent_app_type] => 1 [patent_app_number] => 7/104453 [patent_app_country] => US [patent_app_date] => 1987-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 4064 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 443 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/841/04841467.pdf [firstpage_image] =>[orig_patent_app_number] => 104453 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/104453
Architecture to implement floating point multiply/accumulate operations Oct 4, 1987 Issued
07/104653 HAND-HELD COMPUTERIZED DATA COLLECTION TERMINAL WITH INDENTED GRIP-CONFORMING CONFIGURATION Oct 1, 1987 Abandoned
Array ( [id] => 2498688 [patent_doc_number] => 04868777 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-09-19 [patent_title] => 'High speed multiplier utilizing signed-digit and carry-save operands' [patent_app_type] => 1 [patent_app_number] => 7/095525 [patent_app_country] => US [patent_app_date] => 1987-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 5354 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/868/04868777.pdf [firstpage_image] =>[orig_patent_app_number] => 095525 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/095525
High speed multiplier utilizing signed-digit and carry-save operands Sep 9, 1987 Issued
07/092372 PORTABLE COMPUTER WITH LARGE SCREEN DISPLAY Sep 1, 1987 Abandoned
Array ( [id] => 2602132 [patent_doc_number] => 04918631 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-04-17 [patent_title] => 'Compact type electronic information card' [patent_app_type] => 1 [patent_app_number] => 7/091959 [patent_app_country] => US [patent_app_date] => 1987-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 25 [patent_no_of_words] => 8511 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/918/04918631.pdf [firstpage_image] =>[orig_patent_app_number] => 091959 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/091959
Compact type electronic information card Aug 31, 1987 Issued
Array ( [id] => 2494625 [patent_doc_number] => 04866657 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-09-12 [patent_title] => 'Adder circuitry utilizing redundant signed digit operands' [patent_app_type] => 1 [patent_app_number] => 7/086967 [patent_app_country] => US [patent_app_date] => 1987-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 8508 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 374 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/866/04866657.pdf [firstpage_image] =>[orig_patent_app_number] => 086967 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/086967
Adder circuitry utilizing redundant signed digit operands Aug 17, 1987 Issued
07/087983 DISPLAY SYSTEM FOR A COMPACT ELECTRONIC APPARATUS Aug 16, 1987 Abandoned
Array ( [id] => 2524857 [patent_doc_number] => 04875179 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-10-17 [patent_title] => 'Reading assistance device for word processor' [patent_app_type] => 1 [patent_app_number] => 7/080441 [patent_app_country] => US [patent_app_date] => 1987-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 2561 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/875/04875179.pdf [firstpage_image] =>[orig_patent_app_number] => 080441 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/080441
Reading assistance device for word processor Jul 30, 1987 Issued
Array ( [id] => 2457862 [patent_doc_number] => 04768159 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-08-30 [patent_title] => 'Squared-radix discrete Fourier transform' [patent_app_type] => 1 [patent_app_number] => 7/077048 [patent_app_country] => US [patent_app_date] => 1987-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 4306 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 354 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/768/04768159.pdf [firstpage_image] =>[orig_patent_app_number] => 077048 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/077048
Squared-radix discrete Fourier transform Jul 19, 1987 Issued
Array ( [id] => 2528007 [patent_doc_number] => 04864528 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-09-05 [patent_title] => 'Arithmetic processor and multiplier using redundant signed digit arithmetic' [patent_app_type] => 1 [patent_app_number] => 7/074971 [patent_app_country] => US [patent_app_date] => 1987-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 15 [patent_no_of_words] => 10299 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/864/04864528.pdf [firstpage_image] =>[orig_patent_app_number] => 074971 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/074971
Arithmetic processor and multiplier using redundant signed digit arithmetic Jul 16, 1987 Issued
Array ( [id] => 2494589 [patent_doc_number] => 04866655 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-09-12 [patent_title] => 'Arithmetic processor and divider using redundant signed digit' [patent_app_type] => 1 [patent_app_number] => 7/074892 [patent_app_country] => US [patent_app_date] => 1987-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 11113 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 238 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/866/04866655.pdf [firstpage_image] =>[orig_patent_app_number] => 074892 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/074892
Arithmetic processor and divider using redundant signed digit Jul 16, 1987 Issued
Array ( [id] => 2531355 [patent_doc_number] => 04878192 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-10-31 [patent_title] => 'Arithmetic processor and divider using redundant signed digit arithmetic' [patent_app_type] => 1 [patent_app_number] => 7/070565 [patent_app_country] => US [patent_app_date] => 1987-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 7727 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 251 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/878/04878192.pdf [firstpage_image] =>[orig_patent_app_number] => 070565 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/070565
Arithmetic processor and divider using redundant signed digit arithmetic Jul 6, 1987 Issued
Array ( [id] => 2538312 [patent_doc_number] => 04862405 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-08-29 [patent_title] => 'Apparatus and method for expediting subtraction procedures in a carry/save adder multiplication unit' [patent_app_type] => 1 [patent_app_number] => 7/068262 [patent_app_country] => US [patent_app_date] => 1987-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 2880 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/862/04862405.pdf [firstpage_image] =>[orig_patent_app_number] => 068262 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/068262
Apparatus and method for expediting subtraction procedures in a carry/save adder multiplication unit Jun 29, 1987 Issued
07/066543 PORTABLE APPARATUS HAVING AN ADJUSTABLE HANDLE-LEG MEMBER Jun 25, 1987 Abandoned
Array ( [id] => 2532824 [patent_doc_number] => 04873660 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-10-10 [patent_title] => 'Arithmetic processor using redundant signed digit arithmetic' [patent_app_type] => 1 [patent_app_number] => 7/066817 [patent_app_country] => US [patent_app_date] => 1987-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 10004 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/873/04873660.pdf [firstpage_image] =>[orig_patent_app_number] => 066817 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/066817
Arithmetic processor using redundant signed digit arithmetic Jun 24, 1987 Issued
Array ( [id] => 2498766 [patent_doc_number] => 04829461 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-05-09 [patent_title] => 'Apparatus for detecting sequential data string' [patent_app_type] => 1 [patent_app_number] => 7/065543 [patent_app_country] => US [patent_app_date] => 1987-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 11 [patent_no_of_words] => 2090 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/829/04829461.pdf [firstpage_image] =>[orig_patent_app_number] => 065543 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/065543
Apparatus for detecting sequential data string Jun 22, 1987 Issued
Array ( [id] => 2501815 [patent_doc_number] => 04825397 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-04-25 [patent_title] => 'Linear feedback shift register circuit, of systolic architecture' [patent_app_type] => 1 [patent_app_number] => 7/064482 [patent_app_country] => US [patent_app_date] => 1987-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3474 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 274 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/825/04825397.pdf [firstpage_image] =>[orig_patent_app_number] => 064482 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/064482
Linear feedback shift register circuit, of systolic architecture Jun 21, 1987 Issued
Array ( [id] => 2726384 [patent_doc_number] => 05008847 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-04-16 [patent_title] => 'Cursor selected keyboard keys displayed on the computer screen for entering alphanumeric characters and instructions, particularly for creating computer aided design and drafting patterns' [patent_app_type] => 1 [patent_app_number] => 7/060225 [patent_app_country] => US [patent_app_date] => 1987-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3871 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/008/05008847.pdf [firstpage_image] =>[orig_patent_app_number] => 060225 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/060225
Cursor selected keyboard keys displayed on the computer screen for entering alphanumeric characters and instructions, particularly for creating computer aided design and drafting patterns Jun 9, 1987 Issued
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