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] => 2253541 [patent_doc_number] => 04606009 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-08-12 [patent_title] => 'Step responsive averaging filter' [patent_app_type] => 1 [patent_app_number] => 6/409859 [patent_app_country] => US [patent_app_date] => 1982-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2504 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/606/04606009.pdf [firstpage_image] =>[orig_patent_app_number] => 409859 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/409859
Step responsive averaging filter Aug 19, 1982 Issued
Array ( [id] => 2089967 [patent_doc_number] => 04438502 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-03-20 [patent_title] => 'Output processing system for a digital electronic musical instrument' [patent_app_type] => 1 [patent_app_number] => 6/409801 [patent_app_country] => US [patent_app_date] => 1982-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4128 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 273 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/438/04438502.pdf [firstpage_image] =>[orig_patent_app_number] => 409801 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/409801
Output processing system for a digital electronic musical instrument Aug 19, 1982 Issued
Array ( [id] => 2266973 [patent_doc_number] => 04570235 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-02-11 [patent_title] => 'Digital receiver of multifrequency signals with frequency recognition device' [patent_app_type] => 1 [patent_app_number] => 6/410078 [patent_app_country] => US [patent_app_date] => 1982-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 4259 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 468 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/570/04570235.pdf [firstpage_image] =>[orig_patent_app_number] => 410078 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/410078
Digital receiver of multifrequency signals with frequency recognition device Aug 19, 1982 Issued
Array ( [id] => 2205717 [patent_doc_number] => 04524427 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-06-18 [patent_title] => 'Method for making comparisons between reference logical entities and logical entities proceeding from a file' [patent_app_type] => 1 [patent_app_number] => 6/404979 [patent_app_country] => US [patent_app_date] => 1982-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3597 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 250 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/524/04524427.pdf [firstpage_image] =>[orig_patent_app_number] => 404979 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/404979
Method for making comparisons between reference logical entities and logical entities proceeding from a file Aug 3, 1982 Issued
Array ( [id] => 2136506 [patent_doc_number] => 04516220 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-05-07 [patent_title] => 'Pulse deinterleaving signal processor and method' [patent_app_type] => 1 [patent_app_number] => 6/404004 [patent_app_country] => US [patent_app_date] => 1982-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 2315 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/516/04516220.pdf [firstpage_image] =>[orig_patent_app_number] => 404004 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/404004
Pulse deinterleaving signal processor and method Aug 1, 1982 Issued
Array ( [id] => 2185014 [patent_doc_number] => 04507744 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-03-26 [patent_title] => 'Accessible housing for electronic system' [patent_app_type] => 1 [patent_app_number] => 6/399594 [patent_app_country] => US [patent_app_date] => 1982-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2857 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/507/04507744.pdf [firstpage_image] =>[orig_patent_app_number] => 399594 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/399594
Accessible housing for electronic system Jul 18, 1982 Issued
Array ( [id] => 2188278 [patent_doc_number] => 04504923 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-03-12 [patent_title] => 'Real time two-dimensional digital correlator' [patent_app_type] => 1 [patent_app_number] => 6/399407 [patent_app_country] => US [patent_app_date] => 1982-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 3825 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/504/04504923.pdf [firstpage_image] =>[orig_patent_app_number] => 399407 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/399407
Real time two-dimensional digital correlator Jul 18, 1982 Issued
Array ( [id] => 2198353 [patent_doc_number] => 04511988 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-04-16 [patent_title] => 'Electronic event or bit generator having a predetermined occurrence rate with a predetermined event or bit distribution' [patent_app_type] => 1 [patent_app_number] => 6/398993 [patent_app_country] => US [patent_app_date] => 1982-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2699 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 311 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/511/04511988.pdf [firstpage_image] =>[orig_patent_app_number] => 398993 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/398993
Electronic event or bit generator having a predetermined occurrence rate with a predetermined event or bit distribution Jul 15, 1982 Issued
Array ( [id] => 2206163 [patent_doc_number] => 04528640 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-07-09 [patent_title] => 'Method and a means for checking normalizing operations in a computer device' [patent_app_type] => 1 [patent_app_number] => 6/397760 [patent_app_country] => US [patent_app_date] => 1982-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 11271 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/528/04528640.pdf [firstpage_image] =>[orig_patent_app_number] => 397760 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/397760
Method and a means for checking normalizing operations in a computer device Jul 12, 1982 Issued
Array ( [id] => 2203639 [patent_doc_number] => 04503511 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-03-05 [patent_title] => 'Computing system with multifunctional arithmetic logic unit in single integrated circuit' [patent_app_type] => 1 [patent_app_number] => 6/397720 [patent_app_country] => US [patent_app_date] => 1982-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 3446 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/503/04503511.pdf [firstpage_image] =>[orig_patent_app_number] => 397720 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/397720
Computing system with multifunctional arithmetic logic unit in single integrated circuit Jul 12, 1982 Issued
Array ( [id] => 2070032 [patent_doc_number] => 04488250 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-12-11 [patent_title] => 'Hand-held calculator for performing calculations in feet, inches and fractions' [patent_app_type] => 1 [patent_app_number] => 6/394515 [patent_app_country] => US [patent_app_date] => 1982-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 16 [patent_no_of_words] => 6302 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/488/04488250.pdf [firstpage_image] =>[orig_patent_app_number] => 394515 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/394515
Hand-held calculator for performing calculations in feet, inches and fractions Jul 1, 1982 Issued
Array ( [id] => 2104122 [patent_doc_number] => 04458317 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-07-03 [patent_title] => 'Teller machine having an alterable secondary memory' [patent_app_type] => 1 [patent_app_number] => 6/393341 [patent_app_country] => US [patent_app_date] => 1982-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1735 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 314 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/458/04458317.pdf [firstpage_image] =>[orig_patent_app_number] => 393341 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/393341
Teller machine having an alterable secondary memory Jun 28, 1982 Issued
Array ( [id] => 2149950 [patent_doc_number] => 04559613 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-12-17 [patent_title] => 'Digital frequency synthesizer circuit' [patent_app_type] => 1 [patent_app_number] => 6/393236 [patent_app_country] => US [patent_app_date] => 1982-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2470 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/559/04559613.pdf [firstpage_image] =>[orig_patent_app_number] => 393236 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/393236
Digital frequency synthesizer circuit Jun 28, 1982 Issued
Array ( [id] => 2188293 [patent_doc_number] => 04504924 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-03-12 [patent_title] => 'Carry lookahead logical mechanism using affirmatively referenced transfer gates' [patent_app_type] => 1 [patent_app_number] => 6/392828 [patent_app_country] => US [patent_app_date] => 1982-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1733 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 313 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/504/04504924.pdf [firstpage_image] =>[orig_patent_app_number] => 392828 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/392828
Carry lookahead logical mechanism using affirmatively referenced transfer gates Jun 27, 1982 Issued
06/393050 DEVICE FOR REALIZING A LOGICAL OPERATION Jun 27, 1982 Abandoned
Array ( [id] => 2145706 [patent_doc_number] => 04523291 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-06-11 [patent_title] => 'Device for estimating the operating frequency of a source of recurrent signals' [patent_app_type] => 1 [patent_app_number] => 6/391869 [patent_app_country] => US [patent_app_date] => 1982-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2188 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 268 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/523/04523291.pdf [firstpage_image] =>[orig_patent_app_number] => 391869 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/391869
Device for estimating the operating frequency of a source of recurrent signals Jun 23, 1982 Issued
Array ( [id] => 2144771 [patent_doc_number] => 04523210 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-06-11 [patent_title] => 'Fast error checked multibit multiplier' [patent_app_type] => 1 [patent_app_number] => 6/387644 [patent_app_country] => US [patent_app_date] => 1982-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 23 [patent_no_of_words] => 6763 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 361 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/523/04523210.pdf [firstpage_image] =>[orig_patent_app_number] => 387644 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/387644
Fast error checked multibit multiplier Jun 10, 1982 Issued
Array ( [id] => 2148631 [patent_doc_number] => 04506341 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-03-19 [patent_title] => 'Interlaced programmable logic array having shared elements' [patent_app_type] => 1 [patent_app_number] => 6/387132 [patent_app_country] => US [patent_app_date] => 1982-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 15 [patent_no_of_words] => 5163 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/506/04506341.pdf [firstpage_image] =>[orig_patent_app_number] => 387132 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/387132
Interlaced programmable logic array having shared elements Jun 9, 1982 Issued
Array ( [id] => 2121336 [patent_doc_number] => 04489392 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-12-18 [patent_title] => 'Orthogonalizer for inphase and quadrature digital data' [patent_app_type] => 1 [patent_app_number] => 6/386828 [patent_app_country] => US [patent_app_date] => 1982-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1344 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/489/04489392.pdf [firstpage_image] =>[orig_patent_app_number] => 386828 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/386828
Orthogonalizer for inphase and quadrature digital data Jun 8, 1982 Issued
Array ( [id] => 2132152 [patent_doc_number] => 04490806 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-12-25 [patent_title] => 'High repetition rate transient recorder with automatic integration' [patent_app_type] => 1 [patent_app_number] => 6/385115 [patent_app_country] => US [patent_app_date] => 1982-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 6665 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 284 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/490/04490806.pdf [firstpage_image] =>[orig_patent_app_number] => 385115 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/385115
High repetition rate transient recorder with automatic integration Jun 3, 1982 Issued
Menu