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
06/528975 TOUCH TYPE COMPUTER KEYBOARDS Sep 1, 1983 Abandoned
06/528248 DIGITAL FILTER FOR PROCESSING TWO-DIMENSIONAL DIGITAL IMAGES Aug 30, 1983 Abandoned
Array ( [id] => 2218852 [patent_doc_number] => 04616330 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-10-07 [patent_title] => 'Pipelined multiply-accumulate unit' [patent_app_type] => 1 [patent_app_number] => 6/526562 [patent_app_country] => US [patent_app_date] => 1983-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 19 [patent_no_of_words] => 4278 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 590 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/616/04616330.pdf [firstpage_image] =>[orig_patent_app_number] => 526562 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/526562
Pipelined multiply-accumulate unit Aug 24, 1983 Issued
06/526106 SIGNED MULTIPLIER FOR TWO'S COMPLEMENT MULTIPLICATION USING A THREE-PORT ADDER Aug 23, 1983 Abandoned
Array ( [id] => 2218366 [patent_doc_number] => 04599702 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-07-08 [patent_title] => 'Divider circuit for dividing n-bit binary data using decimal shifting and summation techniques' [patent_app_type] => 1 [patent_app_number] => 6/525490 [patent_app_country] => US [patent_app_date] => 1983-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 21 [patent_no_of_words] => 5181 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 264 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/599/04599702.pdf [firstpage_image] =>[orig_patent_app_number] => 525490 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/525490
Divider circuit for dividing n-bit binary data using decimal shifting and summation techniques Aug 21, 1983 Issued
Array ( [id] => 2270443 [patent_doc_number] => 04593373 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-06-03 [patent_title] => 'Method and apparatus for producing n-bit outputs from an m-bit microcomputer' [patent_app_type] => 1 [patent_app_number] => 6/521559 [patent_app_country] => US [patent_app_date] => 1983-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 2008 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 223 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/593/04593373.pdf [firstpage_image] =>[orig_patent_app_number] => 521559 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/521559
Method and apparatus for producing n-bit outputs from an m-bit microcomputer Aug 8, 1983 Issued
Array ( [id] => 2270966 [patent_doc_number] => 04575804 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-03-11 [patent_title] => 'Diet calculator' [patent_app_type] => 1 [patent_app_number] => 6/518947 [patent_app_country] => US [patent_app_date] => 1983-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5927 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/575/04575804.pdf [firstpage_image] =>[orig_patent_app_number] => 518947 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/518947
Diet calculator Jul 31, 1983 Issued
Array ( [id] => 2149892 [patent_doc_number] => 04559607 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-12-17 [patent_title] => 'Arrangement to provide an accurate time-of-arrival indication for a plurality of received signals' [patent_app_type] => 1 [patent_app_number] => 6/512810 [patent_app_country] => US [patent_app_date] => 1983-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1384 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/559/04559607.pdf [firstpage_image] =>[orig_patent_app_number] => 512810 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/512810
Arrangement to provide an accurate time-of-arrival indication for a plurality of received signals Jul 10, 1983 Issued
Array ( [id] => 2149883 [patent_doc_number] => 04559606 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-12-17 [patent_title] => 'Arrangement to provide an accurate time-of-arrival indication for a received signal' [patent_app_type] => 1 [patent_app_number] => 6/512280 [patent_app_country] => US [patent_app_date] => 1983-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1129 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/559/04559606.pdf [firstpage_image] =>[orig_patent_app_number] => 512280 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/512280
Arrangement to provide an accurate time-of-arrival indication for a received signal Jul 10, 1983 Issued
Array ( [id] => 2241323 [patent_doc_number] => 04597053 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-06-24 [patent_title] => 'Two-pass multiplier/accumulator circuit' [patent_app_type] => 1 [patent_app_number] => 6/510102 [patent_app_country] => US [patent_app_date] => 1983-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 35 [patent_figures_cnt] => 35 [patent_no_of_words] => 11622 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/597/04597053.pdf [firstpage_image] =>[orig_patent_app_number] => 510102 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/510102
Two-pass multiplier/accumulator circuit Jun 30, 1983 Issued
Array ( [id] => 2262322 [patent_doc_number] => 04589087 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-05-13 [patent_title] => 'Condition register architecture for a primitive instruction set machine' [patent_app_type] => 1 [patent_app_number] => 6/509744 [patent_app_country] => US [patent_app_date] => 1983-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 9765 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/589/04589087.pdf [firstpage_image] =>[orig_patent_app_number] => 509744 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/509744
Condition register architecture for a primitive instruction set machine Jun 29, 1983 Issued
Array ( [id] => 2227336 [patent_doc_number] => 04583197 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-04-15 [patent_title] => 'Multi-stage pass transistor shifter/rotator' [patent_app_type] => 1 [patent_app_number] => 6/509740 [patent_app_country] => US [patent_app_date] => 1983-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3985 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 475 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/583/04583197.pdf [firstpage_image] =>[orig_patent_app_number] => 509740 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/509740
Multi-stage pass transistor shifter/rotator Jun 29, 1983 Issued
Array ( [id] => 2275481 [patent_doc_number] => 04584660 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-04-22 [patent_title] => 'Reduction of series propagation delay and impedance' [patent_app_type] => 1 [patent_app_number] => 6/506793 [patent_app_country] => US [patent_app_date] => 1983-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2641 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/584/04584660.pdf [firstpage_image] =>[orig_patent_app_number] => 506793 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/506793
Reduction of series propagation delay and impedance Jun 21, 1983 Issued
Array ( [id] => 2184229 [patent_doc_number] => 04561066 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-12-24 [patent_title] => 'Cross product calculator with normalized output' [patent_app_type] => 1 [patent_app_number] => 6/505902 [patent_app_country] => US [patent_app_date] => 1983-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 9103 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 246 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/561/04561066.pdf [firstpage_image] =>[orig_patent_app_number] => 505902 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/505902
Cross product calculator with normalized output Jun 19, 1983 Issued
Array ( [id] => 2249708 [patent_doc_number] => 04569033 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-02-04 [patent_title] => 'Optical matrix-matrix multiplier based on outer product decomposition' [patent_app_type] => 1 [patent_app_number] => 6/504331 [patent_app_country] => US [patent_app_date] => 1983-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 3136 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/569/04569033.pdf [firstpage_image] =>[orig_patent_app_number] => 504331 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/504331
Optical matrix-matrix multiplier based on outer product decomposition Jun 13, 1983 Issued
Array ( [id] => 2188844 [patent_doc_number] => 04555768 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-11-26 [patent_title] => 'Digital signal processing system employing logarithms to multiply and divide' [patent_app_type] => 1 [patent_app_number] => 6/502014 [patent_app_country] => US [patent_app_date] => 1983-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3662 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/555/04555768.pdf [firstpage_image] =>[orig_patent_app_number] => 502014 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/502014
Digital signal processing system employing logarithms to multiply and divide Jun 6, 1983 Issued
Array ( [id] => 2269126 [patent_doc_number] => 04580235 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-04-01 [patent_title] => 'Electronic calculator with check function' [patent_app_type] => 1 [patent_app_number] => 6/498251 [patent_app_country] => US [patent_app_date] => 1983-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 6972 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/580/04580235.pdf [firstpage_image] =>[orig_patent_app_number] => 498251 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/498251
Electronic calculator with check function May 25, 1983 Issued
Array ( [id] => 2188855 [patent_doc_number] => 04555769 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-11-26 [patent_title] => 'Circuit apparatus for generating modulus-N residues' [patent_app_type] => 1 [patent_app_number] => 6/498214 [patent_app_country] => US [patent_app_date] => 1983-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 17340 [patent_no_of_claims] => 11 [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/04/555/04555769.pdf [firstpage_image] =>[orig_patent_app_number] => 498214 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/498214
Circuit apparatus for generating modulus-N residues May 24, 1983 Issued
Array ( [id] => 2147449 [patent_doc_number] => 04553220 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-11-12 [patent_title] => 'Matrix multiplier with normalized output' [patent_app_type] => 1 [patent_app_number] => 6/496240 [patent_app_country] => US [patent_app_date] => 1983-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 8252 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/553/04553220.pdf [firstpage_image] =>[orig_patent_app_number] => 496240 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/496240
Matrix multiplier with normalized output May 18, 1983 Issued
Array ( [id] => 2224864 [patent_doc_number] => 04595993 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-06-17 [patent_title] => 'Manually reciprocative section of an electronic apparatus' [patent_app_type] => 1 [patent_app_number] => 6/495162 [patent_app_country] => US [patent_app_date] => 1983-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 7 [patent_no_of_words] => 1523 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/595/04595993.pdf [firstpage_image] =>[orig_patent_app_number] => 495162 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/495162
Manually reciprocative section of an electronic apparatus May 16, 1983 Issued
Menu