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
07/434467 CARRY GENERATION METHOD AND APPARATUS Nov 12, 1989 Abandoned
Array ( [id] => 2997920 [patent_doc_number] => 05267181 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-30 [patent_title] => 'Cybernetic interface for a computer that uses a hand held chord keyboard' [patent_app_type] => 1 [patent_app_number] => 7/431611 [patent_app_country] => US [patent_app_date] => 1989-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 8317 [patent_no_of_claims] => 71 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/267/05267181.pdf [firstpage_image] =>[orig_patent_app_number] => 431611 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/431611
Cybernetic interface for a computer that uses a hand held chord keyboard Nov 2, 1989 Issued
Array ( [id] => 2682537 [patent_doc_number] => 05027311 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-06-25 [patent_title] => 'Carry select multiplexer' [patent_app_type] => 1 [patent_app_number] => 7/429562 [patent_app_country] => US [patent_app_date] => 1989-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3615 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 266 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/027/05027311.pdf [firstpage_image] =>[orig_patent_app_number] => 429562 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/429562
Carry select multiplexer Oct 30, 1989 Issued
Array ( [id] => 2718768 [patent_doc_number] => 05041999 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-08-20 [patent_title] => 'Logarithmic function arithmetic unit including means for separately processing pseudo division and multiplication' [patent_app_type] => 1 [patent_app_number] => 7/428301 [patent_app_country] => US [patent_app_date] => 1989-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3800 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 949 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/041/05041999.pdf [firstpage_image] =>[orig_patent_app_number] => 428301 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/428301
Logarithmic function arithmetic unit including means for separately processing pseudo division and multiplication Oct 29, 1989 Issued
Array ( [id] => 2611805 [patent_doc_number] => 04931969 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-06-05 [patent_title] => 'Character entry device' [patent_app_type] => 1 [patent_app_number] => 7/423558 [patent_app_country] => US [patent_app_date] => 1989-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 3093 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/931/04931969.pdf [firstpage_image] =>[orig_patent_app_number] => 423558 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/423558
Character entry device Oct 15, 1989 Issued
Array ( [id] => 2719289 [patent_doc_number] => 05018092 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-05-21 [patent_title] => 'Stack-type arithmetic circuit' [patent_app_type] => 1 [patent_app_number] => 7/421983 [patent_app_country] => US [patent_app_date] => 1989-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 11 [patent_no_of_words] => 1965 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/018/05018092.pdf [firstpage_image] =>[orig_patent_app_number] => 421983 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/421983
Stack-type arithmetic circuit Oct 15, 1989 Issued
Array ( [id] => 2997982 [patent_doc_number] => 05267184 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-30 [patent_title] => 'Apparatus and method for generating a figure by sequential segment approximation of a parametric cubic curve' [patent_app_type] => 1 [patent_app_number] => 7/411441 [patent_app_country] => US [patent_app_date] => 1989-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 4522 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 307 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/267/05267184.pdf [firstpage_image] =>[orig_patent_app_number] => 411441 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/411441
Apparatus and method for generating a figure by sequential segment approximation of a parametric cubic curve Sep 21, 1989 Issued
Array ( [id] => 2636217 [patent_doc_number] => 04951241 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-08-21 [patent_title] => 'Portable apparatus having an adjustable handle-leg member' [patent_app_type] => 1 [patent_app_number] => 7/408408 [patent_app_country] => US [patent_app_date] => 1989-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 1980 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/951/04951241.pdf [firstpage_image] =>[orig_patent_app_number] => 408408 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/408408
Portable apparatus having an adjustable handle-leg member Sep 17, 1989 Issued
Array ( [id] => 2676669 [patent_doc_number] => 04935889 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-06-19 [patent_title] => 'Multi-level display for small computer' [patent_app_type] => 1 [patent_app_number] => 7/407695 [patent_app_country] => US [patent_app_date] => 1989-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 1968 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/935/04935889.pdf [firstpage_image] =>[orig_patent_app_number] => 407695 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/407695
Multi-level display for small computer Sep 13, 1989 Issued
Array ( [id] => 2682518 [patent_doc_number] => 05027310 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-06-25 [patent_title] => 'Carry chain incrementer and/or decrementer circuit' [patent_app_type] => 1 [patent_app_number] => 7/404591 [patent_app_country] => US [patent_app_date] => 1989-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 4298 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/027/05027310.pdf [firstpage_image] =>[orig_patent_app_number] => 404591 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/404591
Carry chain incrementer and/or decrementer circuit Sep 7, 1989 Issued
Array ( [id] => 2643485 [patent_doc_number] => 04953113 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-08-28 [patent_title] => 'Hand-held computerized data collection terminal with indented gripconforming configuration' [patent_app_type] => 1 [patent_app_number] => 7/406822 [patent_app_country] => US [patent_app_date] => 1989-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 14 [patent_no_of_words] => 2338 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/953/04953113.pdf [firstpage_image] =>[orig_patent_app_number] => 406822 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/406822
Hand-held computerized data collection terminal with indented gripconforming configuration Sep 6, 1989 Issued
Array ( [id] => 2806520 [patent_doc_number] => 05144568 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-01 [patent_title] => 'Fast median filter' [patent_app_type] => 1 [patent_app_number] => 7/403912 [patent_app_country] => US [patent_app_date] => 1989-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 4784 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 250 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/144/05144568.pdf [firstpage_image] =>[orig_patent_app_number] => 403912 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/403912
Fast median filter Aug 31, 1989 Issued
Array ( [id] => 2759520 [patent_doc_number] => 05021987 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-06-04 [patent_title] => 'Chain-serial matrix multipliers' [patent_app_type] => 1 [patent_app_number] => 7/401581 [patent_app_country] => US [patent_app_date] => 1989-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 15305 [patent_no_of_claims] => 38 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/021/05021987.pdf [firstpage_image] =>[orig_patent_app_number] => 401581 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/401581
Chain-serial matrix multipliers Aug 30, 1989 Issued
Array ( [id] => 2756839 [patent_doc_number] => 05016206 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-05-14 [patent_title] => 'Unique word detection system' [patent_app_type] => 1 [patent_app_number] => 7/400294 [patent_app_country] => US [patent_app_date] => 1989-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 24 [patent_no_of_words] => 7117 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/016/05016206.pdf [firstpage_image] =>[orig_patent_app_number] => 400294 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/400294
Unique word detection system Aug 28, 1989 Issued
Array ( [id] => 2682369 [patent_doc_number] => 04984186 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-01-08 [patent_title] => 'Phase accumulator with dithered incrementing of accumulation due to fine phase components' [patent_app_type] => 1 [patent_app_number] => 7/398703 [patent_app_country] => US [patent_app_date] => 1989-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3266 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/984/04984186.pdf [firstpage_image] =>[orig_patent_app_number] => 398703 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/398703
Phase accumulator with dithered incrementing of accumulation due to fine phase components Aug 24, 1989 Issued
07/408493 NON-RECURSIVE HALF-BAND FILTER Aug 17, 1989 Abandoned
07/395216 COMPREHENSIVE COMPUTER DATA AND CONTROL ENTRIES FROM VERY FEW KEYS OPERABLE IN A FAST TOUCH TYPING MODE Aug 16, 1989 Abandoned
Array ( [id] => 2758259 [patent_doc_number] => 05031130 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-09 [patent_title] => 'Pseudorandom noise code generator' [patent_app_type] => 1 [patent_app_number] => 7/389284 [patent_app_country] => US [patent_app_date] => 1989-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 13 [patent_no_of_words] => 4584 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/031/05031130.pdf [firstpage_image] =>[orig_patent_app_number] => 389284 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/389284
Pseudorandom noise code generator Aug 1, 1989 Issued
Array ( [id] => 2691920 [patent_doc_number] => 05046038 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-09-03 [patent_title] => 'Method and apparatus for performing division using a rectangular aspect ratio multiplier' [patent_app_type] => 1 [patent_app_number] => 7/389051 [patent_app_country] => US [patent_app_date] => 1989-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 5836 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 280 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/046/05046038.pdf [firstpage_image] =>[orig_patent_app_number] => 389051 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/389051
Method and apparatus for performing division using a rectangular aspect ratio multiplier Aug 1, 1989 Issued
07/385242 SYSTEM FOR PERFORMING LINEAR INTERPOLATION Jul 24, 1989 Abandoned
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