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] => 2209761 [patent_doc_number] => 04545028 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-10-01 [patent_title] => 'Partial product accumulation in high performance multipliers' [patent_app_type] => 1 [patent_app_number] => 6/434298 [patent_app_country] => US [patent_app_date] => 1982-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 14 [patent_no_of_words] => 2123 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/545/04545028.pdf [firstpage_image] =>[orig_patent_app_number] => 434298 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/434298
Partial product accumulation in high performance multipliers Oct 12, 1982 Issued
Array ( [id] => 2113395 [patent_doc_number] => 04467441 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-08-21 [patent_title] => 'Adaptive filter including controlled tap coefficient leakage' [patent_app_type] => 1 [patent_app_number] => 6/433409 [patent_app_country] => US [patent_app_date] => 1982-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3424 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/467/04467441.pdf [firstpage_image] =>[orig_patent_app_number] => 433409 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/433409
Adaptive filter including controlled tap coefficient leakage Oct 7, 1982 Issued
06/432482 DIVISION BY A CONSTANT IN A DIGITAL COMPUTER Oct 3, 1982 Abandoned
Array ( [id] => 2145715 [patent_doc_number] => 04523292 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-06-11 [patent_title] => 'Complementary FET ripple carry binary adder circuit' [patent_app_type] => 1 [patent_app_number] => 6/429328 [patent_app_country] => US [patent_app_date] => 1982-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 2832 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/523/04523292.pdf [firstpage_image] =>[orig_patent_app_number] => 429328 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/429328
Complementary FET ripple carry binary adder circuit Sep 29, 1982 Issued
06/430700 ADAPTIVE SINUSOIDAL INTERFERENCE FILTER Sep 29, 1982 Abandoned
Array ( [id] => 2240043 [patent_doc_number] => 04573136 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-02-25 [patent_title] => 'Sum-of-products multiplier with multiple memories and reduced total memory size' [patent_app_type] => 1 [patent_app_number] => 6/429953 [patent_app_country] => US [patent_app_date] => 1982-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2693 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/573/04573136.pdf [firstpage_image] =>[orig_patent_app_number] => 429953 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/429953
Sum-of-products multiplier with multiple memories and reduced total memory size Sep 29, 1982 Issued
Array ( [id] => 2154713 [patent_doc_number] => 04550384 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-10-29 [patent_title] => 'Touch system coordinates input apparatus' [patent_app_type] => 1 [patent_app_number] => 6/431327 [patent_app_country] => US [patent_app_date] => 1982-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 9 [patent_no_of_words] => 1282 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/550/04550384.pdf [firstpage_image] =>[orig_patent_app_number] => 431327 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/431327
Touch system coordinates input apparatus Sep 29, 1982 Issued
Array ( [id] => 2100874 [patent_doc_number] => 04475167 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-10-02 [patent_title] => 'Fast coefficient calculator for speech' [patent_app_type] => 1 [patent_app_number] => 6/426564 [patent_app_country] => US [patent_app_date] => 1982-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 3865 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/475/04475167.pdf [firstpage_image] =>[orig_patent_app_number] => 426564 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/426564
Fast coefficient calculator for speech Sep 28, 1982 Issued
Array ( [id] => 2136476 [patent_doc_number] => 04516217 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-05-07 [patent_title] => 'Event selector for wide range probability of occurrence' [patent_app_type] => 1 [patent_app_number] => 6/428432 [patent_app_country] => US [patent_app_date] => 1982-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2295 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/516/04516217.pdf [firstpage_image] =>[orig_patent_app_number] => 428432 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/428432
Event selector for wide range probability of occurrence Sep 28, 1982 Issued
Array ( [id] => 2225965 [patent_doc_number] => 04592007 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-05-27 [patent_title] => 'Full adder using complementary MOSFETs' [patent_app_type] => 1 [patent_app_number] => 6/428033 [patent_app_country] => US [patent_app_date] => 1982-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 17 [patent_no_of_words] => 5347 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/592/04592007.pdf [firstpage_image] =>[orig_patent_app_number] => 428033 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/428033
Full adder using complementary MOSFETs Sep 28, 1982 Issued
Array ( [id] => 2220924 [patent_doc_number] => 04615015 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-09-30 [patent_title] => 'Self-contained electronic computer including means for immediately executing or storing alphanumeric statements entered into the computer' [patent_app_type] => 1 [patent_app_number] => 6/427338 [patent_app_country] => US [patent_app_date] => 1982-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 13330 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 251 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/615/04615015.pdf [firstpage_image] =>[orig_patent_app_number] => 427338 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/427338
Self-contained electronic computer including means for immediately executing or storing alphanumeric statements entered into the computer Sep 28, 1982 Issued
Array ( [id] => 2147021 [patent_doc_number] => 04499551 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-02-12 [patent_title] => 'Rapid generation of discrete random variates from general distributions' [patent_app_type] => 1 [patent_app_number] => 6/423856 [patent_app_country] => US [patent_app_date] => 1982-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 7870 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/499/04499551.pdf [firstpage_image] =>[orig_patent_app_number] => 423856 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/423856
Rapid generation of discrete random variates from general distributions Sep 26, 1982 Issued
Array ( [id] => 2185081 [patent_doc_number] => 04507749 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-03-26 [patent_title] => 'Two\'s complement multiplier circuit' [patent_app_type] => 1 [patent_app_number] => 6/423246 [patent_app_country] => US [patent_app_date] => 1982-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2541 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/507/04507749.pdf [firstpage_image] =>[orig_patent_app_number] => 423246 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/423246
Two's complement multiplier circuit Sep 23, 1982 Issued
Array ( [id] => 2132145 [patent_doc_number] => 04490805 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-12-25 [patent_title] => 'High speed multiply accumulate processor' [patent_app_type] => 1 [patent_app_number] => 6/419667 [patent_app_country] => US [patent_app_date] => 1982-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1931 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/490/04490805.pdf [firstpage_image] =>[orig_patent_app_number] => 419667 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/419667
High speed multiply accumulate processor Sep 19, 1982 Issued
Array ( [id] => 2209728 [patent_doc_number] => 04545026 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-10-01 [patent_title] => 'DC offset filter' [patent_app_type] => 1 [patent_app_number] => 6/418109 [patent_app_country] => US [patent_app_date] => 1982-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 15862 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/545/04545026.pdf [firstpage_image] =>[orig_patent_app_number] => 418109 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/418109
DC offset filter Sep 13, 1982 Issued
Array ( [id] => 2157913 [patent_doc_number] => 04517655 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-05-14 [patent_title] => 'Multiplier circuit for multiplying an information signal by a periodic signal' [patent_app_type] => 1 [patent_app_number] => 6/416737 [patent_app_country] => US [patent_app_date] => 1982-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 19 [patent_no_of_words] => 6701 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 316 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/517/04517655.pdf [firstpage_image] =>[orig_patent_app_number] => 416737 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/416737
Multiplier circuit for multiplying an information signal by a periodic signal Sep 9, 1982 Issued
Array ( [id] => 2206129 [patent_doc_number] => 04528638 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-07-09 [patent_title] => 'Shopping calculator with comparison feature' [patent_app_type] => 1 [patent_app_number] => 6/416278 [patent_app_country] => US [patent_app_date] => 1982-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 21 [patent_no_of_words] => 4190 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/528/04528638.pdf [firstpage_image] =>[orig_patent_app_number] => 416278 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/416278
Shopping calculator with comparison feature Sep 8, 1982 Issued
06/416053 ELECTRONIC EQUIPMENT STORING A FREQUENTLY USED CONVERSION FUNCTION Sep 7, 1982 Abandoned
Array ( [id] => 2060512 [patent_doc_number] => 04455617 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-06-19 [patent_title] => 'Multiple simultaneous tone decoder' [patent_app_type] => 1 [patent_app_number] => 6/412628 [patent_app_country] => US [patent_app_date] => 1982-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 7116 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/455/04455617.pdf [firstpage_image] =>[orig_patent_app_number] => 412628 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/412628
Multiple simultaneous tone decoder Aug 29, 1982 Issued
Array ( [id] => 2060453 [patent_doc_number] => 04455611 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-06-19 [patent_title] => 'Multiplier for multiplying n-bit number by quotient of an integer divided by an integer power of two' [patent_app_type] => 1 [patent_app_number] => 6/411906 [patent_app_country] => US [patent_app_date] => 1982-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 16 [patent_no_of_words] => 9794 [patent_no_of_claims] => 7 [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/04/455/04455611.pdf [firstpage_image] =>[orig_patent_app_number] => 411906 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/411906
Multiplier for multiplying n-bit number by quotient of an integer divided by an integer power of two Aug 25, 1982 Issued
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