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
06/844875 COMPREHENSIVE COMPUTER DATA AND CONTROL ENTRIES FROM VERY FEW KEYS OPERABLE IN A FAST TOUCH TYPING MODE Mar 26, 1986 Abandoned
06/844872 KEYBOARD LOCATED INDICIA FOR INSTRUCTING A MULTI-MODE PROGRAMMABLE COMPUTER HAVING ALPHANUMERIC CAPABILITIES FROM A FEW KEYBOARD KEYS Mar 26, 1986 Abandoned
Array ( [id] => 2561768 [patent_doc_number] => 04807170 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-02-21 [patent_title] => 'Drug dose rate calculator' [patent_app_type] => 1 [patent_app_number] => 6/845929 [patent_app_country] => US [patent_app_date] => 1986-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 21 [patent_no_of_words] => 6717 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/807/04807170.pdf [firstpage_image] =>[orig_patent_app_number] => 845929 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/845929
Drug dose rate calculator Mar 24, 1986 Issued
Array ( [id] => 2775525 [patent_doc_number] => 05007010 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-04-09 [patent_title] => 'Fast BCD/binary adder' [patent_app_type] => 1 [patent_app_number] => 6/844488 [patent_app_country] => US [patent_app_date] => 1986-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 18 [patent_no_of_words] => 4929 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/007/05007010.pdf [firstpage_image] =>[orig_patent_app_number] => 844488 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/844488
Fast BCD/binary adder Mar 24, 1986 Issued
Array ( [id] => 2388485 [patent_doc_number] => 04752903 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-06-21 [patent_title] => 'Adaptive digital filter for eliminating howling' [patent_app_type] => 1 [patent_app_number] => 6/843157 [patent_app_country] => US [patent_app_date] => 1986-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2469 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 352 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/752/04752903.pdf [firstpage_image] =>[orig_patent_app_number] => 843157 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/843157
Adaptive digital filter for eliminating howling Mar 23, 1986 Issued
Array ( [id] => 2452237 [patent_doc_number] => 04751664 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-06-14 [patent_title] => 'Enclosure device with magnetically attached calculator' [patent_app_type] => 1 [patent_app_number] => 6/841933 [patent_app_country] => US [patent_app_date] => 1986-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1982 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/751/04751664.pdf [firstpage_image] =>[orig_patent_app_number] => 841933 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/841933
Enclosure device with magnetically attached calculator Mar 19, 1986 Issued
Array ( [id] => 2452259 [patent_doc_number] => 04751665 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-06-14 [patent_title] => 'Systolic super summation device' [patent_app_type] => 1 [patent_app_number] => 6/832282 [patent_app_country] => US [patent_app_date] => 1986-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 88 [patent_no_of_words] => 21135 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/751/04751665.pdf [firstpage_image] =>[orig_patent_app_number] => 832282 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/832282
Systolic super summation device Feb 23, 1986 Issued
Array ( [id] => 2401686 [patent_doc_number] => 04769778 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-09-06 [patent_title] => 'Circuit arrangement comprising a matrix-shaped memory arrangement for digital filtration of image signals in row and column directions' [patent_app_type] => 1 [patent_app_number] => 6/831791 [patent_app_country] => US [patent_app_date] => 1986-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 16 [patent_no_of_words] => 3853 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 439 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/769/04769778.pdf [firstpage_image] =>[orig_patent_app_number] => 831791 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/831791
Circuit arrangement comprising a matrix-shaped memory arrangement for digital filtration of image signals in row and column directions Feb 20, 1986 Issued
06/830159 A COMPARATOR HAVING VARIABLE WIDTH COMPARISONS Feb 17, 1986 Abandoned
Array ( [id] => 2397506 [patent_doc_number] => 04794555 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-12-27 [patent_title] => 'Waveform shaping circuit' [patent_app_type] => 1 [patent_app_number] => 6/828171 [patent_app_country] => US [patent_app_date] => 1986-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3586 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 392 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/794/04794555.pdf [firstpage_image] =>[orig_patent_app_number] => 828171 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/828171
Waveform shaping circuit Feb 10, 1986 Issued
Array ( [id] => 2401722 [patent_doc_number] => 04769780 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-09-06 [patent_title] => 'High speed multiplier' [patent_app_type] => 1 [patent_app_number] => 6/828408 [patent_app_country] => US [patent_app_date] => 1986-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5559 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 244 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/769/04769780.pdf [firstpage_image] =>[orig_patent_app_number] => 828408 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/828408
High speed multiplier Feb 9, 1986 Issued
Array ( [id] => 2393219 [patent_doc_number] => 04737926 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-04-12 [patent_title] => 'Optimally partitioned regenerative carry lookahead adder' [patent_app_type] => 1 [patent_app_number] => 6/820384 [patent_app_country] => US [patent_app_date] => 1986-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2300 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/737/04737926.pdf [firstpage_image] =>[orig_patent_app_number] => 820384 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/820384
Optimally partitioned regenerative carry lookahead adder Jan 20, 1986 Issued
Array ( [id] => 2501872 [patent_doc_number] => 04825400 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-04-25 [patent_title] => 'Floating point accumulator circuit' [patent_app_type] => 1 [patent_app_number] => 6/818284 [patent_app_country] => US [patent_app_date] => 1986-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5639 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/825/04825400.pdf [firstpage_image] =>[orig_patent_app_number] => 818284 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/818284
Floating point accumulator circuit Jan 12, 1986 Issued
90/000934 PROGRAMMABLE ARRAY LOGIC CIRCUIT Jan 8, 1986 Issued
Array ( [id] => 2464292 [patent_doc_number] => 04718029 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-01-05 [patent_title] => 'Display device for a programmable electronic calculator' [patent_app_type] => 1 [patent_app_number] => 6/816688 [patent_app_country] => US [patent_app_date] => 1986-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 13 [patent_no_of_words] => 7250 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/718/04718029.pdf [firstpage_image] =>[orig_patent_app_number] => 816688 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/816688
Display device for a programmable electronic calculator Jan 5, 1986 Issued
Array ( [id] => 2428741 [patent_doc_number] => 04734876 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-03-29 [patent_title] => 'Circuit for selecting one of a plurality of exponential values to a predetermined base to provide a maximum value' [patent_app_type] => 1 [patent_app_number] => 6/810451 [patent_app_country] => US [patent_app_date] => 1985-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 4246 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/734/04734876.pdf [firstpage_image] =>[orig_patent_app_number] => 810451 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/810451
Circuit for selecting one of a plurality of exponential values to a predetermined base to provide a maximum value Dec 17, 1985 Issued
Array ( [id] => 2401704 [patent_doc_number] => 04769779 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-09-06 [patent_title] => 'Systolic complex multiplier' [patent_app_type] => 1 [patent_app_number] => 6/809352 [patent_app_country] => US [patent_app_date] => 1985-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 9534 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/769/04769779.pdf [firstpage_image] =>[orig_patent_app_number] => 809352 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/809352
Systolic complex multiplier Dec 15, 1985 Issued
06/787025 FLOATING POINT CONDITION CODE GENERATION Oct 14, 1985 Abandoned
Array ( [id] => 2331083 [patent_doc_number] => 04680725 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-07-14 [patent_title] => 'Dual function decimal key' [patent_app_type] => 1 [patent_app_number] => 6/779923 [patent_app_country] => US [patent_app_date] => 1985-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3123 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/680/04680725.pdf [firstpage_image] =>[orig_patent_app_number] => 779923 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/779923
Dual function decimal key Sep 24, 1985 Issued
Array ( [id] => 2363451 [patent_doc_number] => 04683548 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-07-28 [patent_title] => 'Binary MOS ripple-carry parallel adder/subtracter and adder/subtracter stage suitable therefor' [patent_app_type] => 1 [patent_app_number] => 6/780226 [patent_app_country] => US [patent_app_date] => 1985-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4714 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 322 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/683/04683548.pdf [firstpage_image] =>[orig_patent_app_number] => 780226 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/780226
Binary MOS ripple-carry parallel adder/subtracter and adder/subtracter stage suitable therefor Sep 23, 1985 Issued
Menu