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] => 2270424 [patent_doc_number] => 04593372 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-06-03 [patent_title] => 'Line generating method' [patent_app_type] => 1 [patent_app_number] => 6/554716 [patent_app_country] => US [patent_app_date] => 1983-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 4065 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 271 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/593/04593372.pdf [firstpage_image] =>[orig_patent_app_number] => 554716 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/554716
Line generating method Nov 22, 1983 Issued
Array ( [id] => 2227507 [patent_doc_number] => 04628472 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-12-09 [patent_title] => 'Binary multiplier using ternary code' [patent_app_type] => 1 [patent_app_number] => 6/553488 [patent_app_country] => US [patent_app_date] => 1983-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 7318 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/628/04628472.pdf [firstpage_image] =>[orig_patent_app_number] => 553488 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/553488
Binary multiplier using ternary code Nov 17, 1983 Issued
Array ( [id] => 2275445 [patent_doc_number] => 04584657 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-04-22 [patent_title] => 'Charge transfer multiplier and filter' [patent_app_type] => 1 [patent_app_number] => 6/548067 [patent_app_country] => US [patent_app_date] => 1983-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 21 [patent_no_of_words] => 6694 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 461 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/584/04584657.pdf [firstpage_image] =>[orig_patent_app_number] => 548067 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/548067
Charge transfer multiplier and filter Nov 1, 1983 Issued
06/547429 ELECTRONIC PERSONAL ASSET CONTROL DEVICE Oct 30, 1983 Abandoned
Array ( [id] => 2130510 [patent_doc_number] => 04482976 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-11-13 [patent_title] => 'Voice data output apparatus for electronic cash registers' [patent_app_type] => 1 [patent_app_number] => 6/545594 [patent_app_country] => US [patent_app_date] => 1983-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 4759 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 231 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/482/04482976.pdf [firstpage_image] =>[orig_patent_app_number] => 545594 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/545594
Voice data output apparatus for electronic cash registers Oct 25, 1983 Issued
Array ( [id] => 2290866 [patent_doc_number] => 04604719 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-08-05 [patent_title] => 'Oscillator having a sixteen bit signal generation utilizing an eight bit processor' [patent_app_type] => 1 [patent_app_number] => 6/544280 [patent_app_country] => US [patent_app_date] => 1983-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3235 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/604/04604719.pdf [firstpage_image] =>[orig_patent_app_number] => 544280 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/544280
Oscillator having a sixteen bit signal generation utilizing an eight bit processor Oct 20, 1983 Issued
Array ( [id] => 2247033 [patent_doc_number] => 04617641 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-10-14 [patent_title] => 'Operation unit for floating point data having a variable length exponent part' [patent_app_type] => 1 [patent_app_number] => 6/543426 [patent_app_country] => US [patent_app_date] => 1983-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 14 [patent_no_of_words] => 10629 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/617/04617641.pdf [firstpage_image] =>[orig_patent_app_number] => 543426 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/543426
Operation unit for floating point data having a variable length exponent part Oct 18, 1983 Issued
Array ( [id] => 2218353 [patent_doc_number] => 04599701 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-07-08 [patent_title] => 'Complex magnitude computation' [patent_app_type] => 1 [patent_app_number] => 6/543333 [patent_app_country] => US [patent_app_date] => 1983-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2672 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/599/04599701.pdf [firstpage_image] =>[orig_patent_app_number] => 543333 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/543333
Complex magnitude computation Oct 18, 1983 Issued
Array ( [id] => 2203205 [patent_doc_number] => 04495590 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-01-22 [patent_title] => 'PLA With time division multiplex feature for improved density' [patent_app_type] => 1 [patent_app_number] => 6/542230 [patent_app_country] => US [patent_app_date] => 1983-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4087 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 306 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/495/04495590.pdf [firstpage_image] =>[orig_patent_app_number] => 542230 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/542230
PLA With time division multiplex feature for improved density Oct 13, 1983 Issued
Array ( [id] => 2272926 [patent_doc_number] => 04612625 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-09-16 [patent_title] => 'Decimator employing finite impulse response digital filters' [patent_app_type] => 1 [patent_app_number] => 6/541050 [patent_app_country] => US [patent_app_date] => 1983-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1803 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/612/04612625.pdf [firstpage_image] =>[orig_patent_app_number] => 541050 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/541050
Decimator employing finite impulse response digital filters Oct 11, 1983 Issued
Array ( [id] => 2125274 [patent_doc_number] => 04481599 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-11-06 [patent_title] => 'Voice data output device providing operator guidance in voice form' [patent_app_type] => 1 [patent_app_number] => 6/540910 [patent_app_country] => US [patent_app_date] => 1983-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 16 [patent_no_of_words] => 8195 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/481/04481599.pdf [firstpage_image] =>[orig_patent_app_number] => 540910 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/540910
Voice data output device providing operator guidance in voice form Oct 11, 1983 Issued
Array ( [id] => 2238098 [patent_doc_number] => 04601006 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-07-15 [patent_title] => 'Architecture for two dimensional fast fourier transform' [patent_app_type] => 1 [patent_app_number] => 6/539540 [patent_app_country] => US [patent_app_date] => 1983-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 5253 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/601/04601006.pdf [firstpage_image] =>[orig_patent_app_number] => 539540 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/539540
Architecture for two dimensional fast fourier transform Oct 5, 1983 Issued
Array ( [id] => 2317794 [patent_doc_number] => 04646257 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-02-24 [patent_title] => 'Digital multiplication circuit for use in a microprocessor' [patent_app_type] => 1 [patent_app_number] => 6/538634 [patent_app_country] => US [patent_app_date] => 1983-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 17 [patent_no_of_words] => 4574 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/646/04646257.pdf [firstpage_image] =>[orig_patent_app_number] => 538634 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/538634
Digital multiplication circuit for use in a microprocessor Oct 2, 1983 Issued
Array ( [id] => 2290907 [patent_doc_number] => 04604722 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-08-05 [patent_title] => 'Decimal arithmetic logic unit for doubling or complementing decimal operand' [patent_app_type] => 1 [patent_app_number] => 6/537899 [patent_app_country] => US [patent_app_date] => 1983-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 41 [patent_figures_cnt] => 27 [patent_no_of_words] => 66444 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 337 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/604/04604722.pdf [firstpage_image] =>[orig_patent_app_number] => 537899 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/537899
Decimal arithmetic logic unit for doubling or complementing decimal operand Sep 29, 1983 Issued
Array ( [id] => 2227271 [patent_doc_number] => 04583192 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-04-15 [patent_title] => 'MOS full adder circuit' [patent_app_type] => 1 [patent_app_number] => 6/538039 [patent_app_country] => US [patent_app_date] => 1983-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3459 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/583/04583192.pdf [firstpage_image] =>[orig_patent_app_number] => 538039 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/538039
MOS full adder circuit Sep 29, 1983 Issued
Array ( [id] => 2290519 [patent_doc_number] => 04604695 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-08-05 [patent_title] => 'Nibble and word addressable memory arrangement' [patent_app_type] => 1 [patent_app_number] => 6/537928 [patent_app_country] => US [patent_app_date] => 1983-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 41 [patent_figures_cnt] => 27 [patent_no_of_words] => 67208 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 566 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/604/04604695.pdf [firstpage_image] =>[orig_patent_app_number] => 537928 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/537928
Nibble and word addressable memory arrangement Sep 29, 1983 Issued
Array ( [id] => 2220938 [patent_doc_number] => 04615016 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-09-30 [patent_title] => 'Apparatus for performing simplified decimal multiplication by stripping leading zeroes' [patent_app_type] => 1 [patent_app_number] => 6/537910 [patent_app_country] => US [patent_app_date] => 1983-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 41 [patent_figures_cnt] => 27 [patent_no_of_words] => 67038 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 245 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/615/04615016.pdf [firstpage_image] =>[orig_patent_app_number] => 537910 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/537910
Apparatus for performing simplified decimal multiplication by stripping leading zeroes Sep 29, 1983 Issued
Array ( [id] => 2245998 [patent_doc_number] => 04608659 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-08-26 [patent_title] => 'Arithmetic logic unit with outputs indicating invalid computation results caused by invalid operands' [patent_app_type] => 1 [patent_app_number] => 6/537991 [patent_app_country] => US [patent_app_date] => 1983-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 41 [patent_figures_cnt] => 27 [patent_no_of_words] => 66699 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/608/04608659.pdf [firstpage_image] =>[orig_patent_app_number] => 537991 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/537991
Arithmetic logic unit with outputs indicating invalid computation results caused by invalid operands Sep 29, 1983 Issued
Array ( [id] => 2184996 [patent_doc_number] => 04507743 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-03-26 [patent_title] => 'Calculation system utilizing definable keys' [patent_app_type] => 1 [patent_app_number] => 6/535552 [patent_app_country] => US [patent_app_date] => 1983-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 2581 [patent_no_of_claims] => 3 [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/04/507/04507743.pdf [firstpage_image] =>[orig_patent_app_number] => 535552 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/535552
Calculation system utilizing definable keys Sep 26, 1983 Issued
Array ( [id] => 2352824 [patent_doc_number] => 04649507 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-03-10 [patent_title] => 'Segmented transversal filter' [patent_app_type] => 1 [patent_app_number] => 6/531400 [patent_app_country] => US [patent_app_date] => 1983-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2840 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/649/04649507.pdf [firstpage_image] =>[orig_patent_app_number] => 531400 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/531400
Segmented transversal filter Sep 11, 1983 Issued
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