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] => 2043352 [patent_doc_number] => 04386413 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-05-31 [patent_title] => 'Method and apparatus of providing a result of a numerical calculation with the number of exact significant figures' [patent_app_type] => 1 [patent_app_number] => 6/142738 [patent_app_country] => US [patent_app_date] => 1980-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 9041 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 318 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/386/04386413.pdf [firstpage_image] =>[orig_patent_app_number] => 142738 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/142738
Method and apparatus of providing a result of a numerical calculation with the number of exact significant figures Apr 21, 1980 Issued
Array ( [id] => 1975699 [patent_doc_number] => 04354224 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-10-12 [patent_title] => 'Manipulation-variable separated type system control method and apparatus' [patent_app_type] => 1 [patent_app_number] => 6/141798 [patent_app_country] => US [patent_app_date] => 1980-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 3997 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/354/04354224.pdf [firstpage_image] =>[orig_patent_app_number] => 141798 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/141798
Manipulation-variable separated type system control method and apparatus Apr 20, 1980 Issued
Array ( [id] => 1973164 [patent_doc_number] => 04344151 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-08-10 [patent_title] => 'ROM-Based complex multiplier useful for FFT butterfly arithmetic unit' [patent_app_type] => 1 [patent_app_number] => 6/142594 [patent_app_country] => US [patent_app_date] => 1980-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 5041 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/344/04344151.pdf [firstpage_image] =>[orig_patent_app_number] => 142594 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/142594
ROM-Based complex multiplier useful for FFT butterfly arithmetic unit Apr 20, 1980 Issued
Array ( [id] => 1960478 [patent_doc_number] => 04334266 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-06-08 [patent_title] => 'Numerical control system with following error monitor' [patent_app_type] => 1 [patent_app_number] => 6/142521 [patent_app_country] => US [patent_app_date] => 1980-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1982 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/334/04334266.pdf [firstpage_image] =>[orig_patent_app_number] => 142521 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/142521
Numerical control system with following error monitor Apr 20, 1980 Issued
Array ( [id] => 1970314 [patent_doc_number] => 04332028 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-05-25 [patent_title] => 'Method of measuring the memory address access time (AAT) utilizing a data recirculation technique, and a tester for accomplishing same' [patent_app_type] => 1 [patent_app_number] => 6/141716 [patent_app_country] => US [patent_app_date] => 1980-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 13 [patent_no_of_words] => 4834 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 411 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/332/04332028.pdf [firstpage_image] =>[orig_patent_app_number] => 141716 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/141716
Method of measuring the memory address access time (AAT) utilizing a data recirculation technique, and a tester for accomplishing same Apr 17, 1980 Issued
Array ( [id] => 1963133 [patent_doc_number] => 04349904 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-09-14 [patent_title] => 'Error correction circuit using character probability' [patent_app_type] => 1 [patent_app_number] => 6/141546 [patent_app_country] => US [patent_app_date] => 1980-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 6153 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/349/04349904.pdf [firstpage_image] =>[orig_patent_app_number] => 141546 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/141546
Error correction circuit using character probability Apr 17, 1980 Issued
Array ( [id] => 1967063 [patent_doc_number] => 04330841 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-05-18 [patent_title] => 'Logic circuit with asymmetrical quantum interferometric circuits' [patent_app_type] => 1 [patent_app_number] => 6/140756 [patent_app_country] => US [patent_app_date] => 1980-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 18 [patent_no_of_words] => 7007 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 259 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/330/04330841.pdf [firstpage_image] =>[orig_patent_app_number] => 140756 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/140756
Logic circuit with asymmetrical quantum interferometric circuits Apr 15, 1980 Issued
Array ( [id] => 1948134 [patent_doc_number] => 04336600 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-06-22 [patent_title] => 'Binary word processing method using a high-speed sequential adder' [patent_app_type] => 1 [patent_app_number] => 6/138893 [patent_app_country] => US [patent_app_date] => 1980-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3280 [patent_no_of_claims] => 5 [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/04/336/04336600.pdf [firstpage_image] =>[orig_patent_app_number] => 138893 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/138893
Binary word processing method using a high-speed sequential adder Apr 9, 1980 Issued
Array ( [id] => 2018315 [patent_doc_number] => 04375099 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-02-22 [patent_title] => 'Link performance indicator with alternate data sampling and error indication generation' [patent_app_type] => 1 [patent_app_number] => 6/138456 [patent_app_country] => US [patent_app_date] => 1980-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 4463 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/375/04375099.pdf [firstpage_image] =>[orig_patent_app_number] => 138456 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/138456
Link performance indicator with alternate data sampling and error indication generation Apr 7, 1980 Issued
Array ( [id] => 1975928 [patent_doc_number] => 04354268 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-10-12 [patent_title] => 'Intelligent test head for automatic test system' [patent_app_type] => 1 [patent_app_number] => 6/136929 [patent_app_country] => US [patent_app_date] => 1980-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 5207 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 294 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/354/04354268.pdf [firstpage_image] =>[orig_patent_app_number] => 136929 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/136929
Intelligent test head for automatic test system Apr 2, 1980 Issued
Array ( [id] => 1955984 [patent_doc_number] => 04326259 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-04-20 [patent_title] => 'Self organizing general pattern class separator and identifier' [patent_app_type] => 1 [patent_app_number] => 6/134571 [patent_app_country] => US [patent_app_date] => 1980-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 9305 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/326/04326259.pdf [firstpage_image] =>[orig_patent_app_number] => 134571 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/134571
Self organizing general pattern class separator and identifier Mar 26, 1980 Issued
Array ( [id] => 2055408 [patent_doc_number] => 04390962 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-06-28 [patent_title] => 'Latched multivalued full adder' [patent_app_type] => 1 [patent_app_number] => 6/133836 [patent_app_country] => US [patent_app_date] => 1980-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 5552 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/390/04390962.pdf [firstpage_image] =>[orig_patent_app_number] => 133836 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/133836
Latched multivalued full adder Mar 24, 1980 Issued
Array ( [id] => 1975831 [patent_doc_number] => 04354249 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-10-12 [patent_title] => 'Processing unit for multiplying two mathematical quantities including at least one complex multiplier' [patent_app_type] => 1 [patent_app_number] => 6/132963 [patent_app_country] => US [patent_app_date] => 1980-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3725 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/354/04354249.pdf [firstpage_image] =>[orig_patent_app_number] => 132963 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/132963
Processing unit for multiplying two mathematical quantities including at least one complex multiplier Mar 23, 1980 Issued
06/133335 ANTILATCHUP PSEUDORANDOM BINARY SEQUENCE GENERATOR Mar 23, 1980 Abandoned
Array ( [id] => 1934270 [patent_doc_number] => 04351050 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-09-21 [patent_title] => 'Fail-safe control computer' [patent_app_type] => 1 [patent_app_number] => 6/132423 [patent_app_country] => US [patent_app_date] => 1980-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1426 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/351/04351050.pdf [firstpage_image] =>[orig_patent_app_number] => 132423 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/132423
Fail-safe control computer Mar 20, 1980 Issued
Array ( [id] => 1916989 [patent_doc_number] => 04308588 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-12-29 [patent_title] => 'Electronic checkbook' [patent_app_type] => 1 [patent_app_number] => 6/131645 [patent_app_country] => US [patent_app_date] => 1980-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 1870 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/308/04308588.pdf [firstpage_image] =>[orig_patent_app_number] => 131645 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/131645
Electronic checkbook Mar 18, 1980 Issued
Array ( [id] => 1963885 [patent_doc_number] => 04316259 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-02-16 [patent_title] => 'Programmable function generator' [patent_app_type] => 1 [patent_app_number] => 6/131821 [patent_app_country] => US [patent_app_date] => 1980-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 57 [patent_figures_cnt] => 57 [patent_no_of_words] => 5175 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/316/04316259.pdf [firstpage_image] =>[orig_patent_app_number] => 131821 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/131821
Programmable function generator Mar 17, 1980 Issued
Array ( [id] => 1952050 [patent_doc_number] => 04313174 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-01-26 [patent_title] => 'ROM-Based parallel digital arithmetic device' [patent_app_type] => 1 [patent_app_number] => 6/130653 [patent_app_country] => US [patent_app_date] => 1980-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 13 [patent_no_of_words] => 5957 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/313/04313174.pdf [firstpage_image] =>[orig_patent_app_number] => 130653 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/130653
ROM-Based parallel digital arithmetic device Mar 16, 1980 Issued
Array ( [id] => 1897243 [patent_doc_number] => 04282578 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-08-04 [patent_title] => 'System for linearizing non-linear transducer signals' [patent_app_type] => 1 [patent_app_number] => 6/131031 [patent_app_country] => US [patent_app_date] => 1980-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3597 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/282/04282578.pdf [firstpage_image] =>[orig_patent_app_number] => 131031 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/131031
System for linearizing non-linear transducer signals Mar 16, 1980 Issued
Array ( [id] => 1960554 [patent_doc_number] => 04334281 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-06-08 [patent_title] => 'Command generation system for generating a smooth command signal' [patent_app_type] => 1 [patent_app_number] => 6/129562 [patent_app_country] => US [patent_app_date] => 1980-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1108 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/334/04334281.pdf [firstpage_image] =>[orig_patent_app_number] => 129562 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/129562
Command generation system for generating a smooth command signal Mar 11, 1980 Issued
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