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] => 1971777 [patent_doc_number] => 04319326 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-03-09 [patent_title] => 'Electronic cash register system with consolidating means' [patent_app_type] => 1 [patent_app_number] => 6/129319 [patent_app_country] => US [patent_app_date] => 1980-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 2938 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/319/04319326.pdf [firstpage_image] =>[orig_patent_app_number] => 129319 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/129319
Electronic cash register system with consolidating means Mar 10, 1980 Issued
Array ( [id] => 1934727 [patent_doc_number] => 04347579 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-08-31 [patent_title] => 'Electronic instrument having an operation count function' [patent_app_type] => 1 [patent_app_number] => 6/125579 [patent_app_country] => US [patent_app_date] => 1980-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1958 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 274 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/347/04347579.pdf [firstpage_image] =>[orig_patent_app_number] => 125579 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/125579
Electronic instrument having an operation count function Feb 27, 1980 Issued
Array ( [id] => 1941746 [patent_doc_number] => 04327419 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-04-27 [patent_title] => 'Digital noise generator for electronic musical instruments' [patent_app_type] => 1 [patent_app_number] => 6/123632 [patent_app_country] => US [patent_app_date] => 1980-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 4794 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 262 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/327/04327419.pdf [firstpage_image] =>[orig_patent_app_number] => 123632 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/123632
Digital noise generator for electronic musical instruments Feb 21, 1980 Issued
Array ( [id] => 1988319 [patent_doc_number] => 04346450 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-08-24 [patent_title] => 'Electronic calculator having item count display' [patent_app_type] => 1 [patent_app_number] => 6/123210 [patent_app_country] => US [patent_app_date] => 1980-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1488 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/346/04346450.pdf [firstpage_image] =>[orig_patent_app_number] => 123210 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/123210
Electronic calculator having item count display Feb 20, 1980 Issued
Array ( [id] => 1907116 [patent_doc_number] => 04302817 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-11-24 [patent_title] => 'Digital Pseudo continuous tone detector' [patent_app_type] => 1 [patent_app_number] => 6/121563 [patent_app_country] => US [patent_app_date] => 1980-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 10975 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/302/04302817.pdf [firstpage_image] =>[orig_patent_app_number] => 121563 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/121563
Digital Pseudo continuous tone detector Feb 13, 1980 Issued
Array ( [id] => 1956796 [patent_doc_number] => 04317199 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-02-23 [patent_title] => 'Diagnostic extender test apparatus' [patent_app_type] => 1 [patent_app_number] => 6/117327 [patent_app_country] => US [patent_app_date] => 1980-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2256 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/317/04317199.pdf [firstpage_image] =>[orig_patent_app_number] => 117327 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/117327
Diagnostic extender test apparatus Jan 30, 1980 Issued
Array ( [id] => 1989336 [patent_doc_number] => 04337519 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-06-29 [patent_title] => 'Multiple/divide unit' [patent_app_type] => 1 [patent_app_number] => 6/115619 [patent_app_country] => US [patent_app_date] => 1980-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 5525 [patent_no_of_claims] => 7 [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/04/337/04337519.pdf [firstpage_image] =>[orig_patent_app_number] => 115619 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/115619
Multiple/divide unit Jan 27, 1980 Issued
Array ( [id] => 1941299 [patent_doc_number] => 04335460 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-06-15 [patent_title] => 'Printer system having parity checking of print hammers using software control' [patent_app_type] => 1 [patent_app_number] => 6/115841 [patent_app_country] => US [patent_app_date] => 1980-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 5905 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 355 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/335/04335460.pdf [firstpage_image] =>[orig_patent_app_number] => 115841 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/115841
Printer system having parity checking of print hammers using software control Jan 27, 1980 Issued
Array ( [id] => 1954072 [patent_doc_number] => 04355389 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-10-19 [patent_title] => 'Microprogrammed information processing system having self-checking function' [patent_app_type] => 1 [patent_app_number] => 6/115368 [patent_app_country] => US [patent_app_date] => 1980-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 17 [patent_no_of_words] => 18845 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/355/04355389.pdf [firstpage_image] =>[orig_patent_app_number] => 115368 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/115368
Microprogrammed information processing system having self-checking function Jan 24, 1980 Issued
Array ( [id] => 2035251 [patent_doc_number] => 04367536 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-01-04 [patent_title] => 'Arrangement for determining number of exact significant figures in calculated result' [patent_app_type] => 1 [patent_app_number] => 6/114586 [patent_app_country] => US [patent_app_date] => 1980-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 4206 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/367/04367536.pdf [firstpage_image] =>[orig_patent_app_number] => 114586 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/114586
Arrangement for determining number of exact significant figures in calculated result Jan 22, 1980 Issued
Array ( [id] => 1946157 [patent_doc_number] => 04314350 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-02-02 [patent_title] => 'Self-checking arithmetic unit' [patent_app_type] => 1 [patent_app_number] => 6/108363 [patent_app_country] => US [patent_app_date] => 1979-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 14 [patent_no_of_words] => 3901 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 259 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/314/04314350.pdf [firstpage_image] =>[orig_patent_app_number] => 108363 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/108363
Self-checking arithmetic unit Dec 30, 1979 Issued
Array ( [id] => 1975034 [patent_doc_number] => 04312066 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-01-19 [patent_title] => 'Diagnostic/debug machine architecture' [patent_app_type] => 1 [patent_app_number] => 6/107992 [patent_app_country] => US [patent_app_date] => 1979-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 8273 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 356 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/312/04312066.pdf [firstpage_image] =>[orig_patent_app_number] => 107992 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/107992
Diagnostic/debug machine architecture Dec 27, 1979 Issued
Array ( [id] => 1910921 [patent_doc_number] => 04290137 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-09-15 [patent_title] => 'Apparatus and method of testing CML circuits' [patent_app_type] => 1 [patent_app_number] => 6/106573 [patent_app_country] => US [patent_app_date] => 1979-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 4043 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/290/04290137.pdf [firstpage_image] =>[orig_patent_app_number] => 106573 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/106573
Apparatus and method of testing CML circuits Dec 25, 1979 Issued
Array ( [id] => 1971931 [patent_doc_number] => 04319356 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-03-09 [patent_title] => 'Self-correcting memory system' [patent_app_type] => 1 [patent_app_number] => 6/105185 [patent_app_country] => US [patent_app_date] => 1979-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3878 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/319/04319356.pdf [firstpage_image] =>[orig_patent_app_number] => 105185 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/105185
Self-correcting memory system Dec 18, 1979 Issued
Array ( [id] => 1975937 [patent_doc_number] => 04354270 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-10-12 [patent_title] => 'Self-monitoring system for supervising congruence between control signals' [patent_app_type] => 1 [patent_app_number] => 6/104894 [patent_app_country] => US [patent_app_date] => 1979-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 9524 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/354/04354270.pdf [firstpage_image] =>[orig_patent_app_number] => 104894 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/104894
Self-monitoring system for supervising congruence between control signals Dec 17, 1979 Issued
Array ( [id] => 1977981 [patent_doc_number] => 04348759 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-09-07 [patent_title] => 'Automatic testing of complex semiconductor components with test equipment having less channels than those required by the component under test' [patent_app_type] => 1 [patent_app_number] => 6/104481 [patent_app_country] => US [patent_app_date] => 1979-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 4814 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/348/04348759.pdf [firstpage_image] =>[orig_patent_app_number] => 104481 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/104481
Automatic testing of complex semiconductor components with test equipment having less channels than those required by the component under test Dec 16, 1979 Issued
Array ( [id] => 1941739 [patent_doc_number] => 04327418 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-04-27 [patent_title] => 'High speed information selection and transfer system' [patent_app_type] => 1 [patent_app_number] => 6/103480 [patent_app_country] => US [patent_app_date] => 1979-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 19 [patent_no_of_words] => 6446 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 747 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/327/04327418.pdf [firstpage_image] =>[orig_patent_app_number] => 103480 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/103480
High speed information selection and transfer system Dec 13, 1979 Issued
Array ( [id] => 1975815 [patent_doc_number] => 04354246 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-10-12 [patent_title] => 'Key input indicating tone generating apparatus for small-sized electronic devices' [patent_app_type] => 1 [patent_app_number] => 6/102737 [patent_app_country] => US [patent_app_date] => 1979-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 2504 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 260 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/354/04354246.pdf [firstpage_image] =>[orig_patent_app_number] => 102737 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/102737
Key input indicating tone generating apparatus for small-sized electronic devices Dec 11, 1979 Issued
Array ( [id] => 1974888 [patent_doc_number] => 04312037 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-01-19 [patent_title] => 'Electronic cash register with single printer for printing receipts and a journal' [patent_app_type] => 1 [patent_app_number] => 6/102391 [patent_app_country] => US [patent_app_date] => 1979-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 5455 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/312/04312037.pdf [firstpage_image] =>[orig_patent_app_number] => 102391 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/102391
Electronic cash register with single printer for printing receipts and a journal Dec 10, 1979 Issued
Array ( [id] => 1926642 [patent_doc_number] => 04298952 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-11-03 [patent_title] => 'One\'s complement adder' [patent_app_type] => 1 [patent_app_number] => 6/102300 [patent_app_country] => US [patent_app_date] => 1979-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1644 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/298/04298952.pdf [firstpage_image] =>[orig_patent_app_number] => 102300 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/102300
One's complement adder Dec 9, 1979 Issued
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