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] => 2203228 [patent_doc_number] => 04495592 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-01-22 [patent_title] => 'Electronic data processing apparatus with equation operating system having implied multiplication of two hierarchical ranks' [patent_app_type] => 1 [patent_app_number] => 6/381985 [patent_app_country] => US [patent_app_date] => 1982-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 7205 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/495/04495592.pdf [firstpage_image] =>[orig_patent_app_number] => 381985 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/381985
Electronic data processing apparatus with equation operating system having implied multiplication of two hierarchical ranks May 24, 1982 Issued
Array ( [id] => 2198276 [patent_doc_number] => 04502120 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-02-26 [patent_title] => 'System for data transmission between electronic cash registers' [patent_app_type] => 1 [patent_app_number] => 6/381221 [patent_app_country] => US [patent_app_date] => 1982-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2970 [patent_no_of_claims] => 9 [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/04/502/04502120.pdf [firstpage_image] =>[orig_patent_app_number] => 381221 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/381221
System for data transmission between electronic cash registers May 23, 1982 Issued
Array ( [id] => 2211341 [patent_doc_number] => 04493046 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-01-08 [patent_title] => 'Apparatus for generation of binary pseudo-random numbers' [patent_app_type] => 1 [patent_app_number] => 6/381714 [patent_app_country] => US [patent_app_date] => 1982-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2592 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/493/04493046.pdf [firstpage_image] =>[orig_patent_app_number] => 381714 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/381714
Apparatus for generation of binary pseudo-random numbers May 23, 1982 Issued
Array ( [id] => 2198365 [patent_doc_number] => 04511989 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-04-16 [patent_title] => 'Linear interpolating method and color conversion apparatus using this method' [patent_app_type] => 1 [patent_app_number] => 6/378792 [patent_app_country] => US [patent_app_date] => 1982-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 9133 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 352 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/511/04511989.pdf [firstpage_image] =>[orig_patent_app_number] => 378792 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/378792
Linear interpolating method and color conversion apparatus using this method May 16, 1982 Issued
Array ( [id] => 2076184 [patent_doc_number] => 04463439 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-07-31 [patent_title] => 'Sum and carry outputs with shared subfunctions' [patent_app_type] => 1 [patent_app_number] => 6/379371 [patent_app_country] => US [patent_app_date] => 1982-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 14 [patent_no_of_words] => 1089 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 231 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/463/04463439.pdf [firstpage_image] =>[orig_patent_app_number] => 379371 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/379371
Sum and carry outputs with shared subfunctions May 16, 1982 Issued
Array ( [id] => 2173054 [patent_doc_number] => 04541067 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-09-10 [patent_title] => 'Combinational logic structure using PASS transistors' [patent_app_type] => 1 [patent_app_number] => 6/376895 [patent_app_country] => US [patent_app_date] => 1982-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 73 [patent_no_of_words] => 5091 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/541/04541067.pdf [firstpage_image] =>[orig_patent_app_number] => 376895 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/376895
Combinational logic structure using PASS transistors May 9, 1982 Issued
Array ( [id] => 2111094 [patent_doc_number] => 04472806 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-09-18 [patent_title] => 'Signal selection and fault detection apparatus' [patent_app_type] => 1 [patent_app_number] => 6/373952 [patent_app_country] => US [patent_app_date] => 1982-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2147 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/472/04472806.pdf [firstpage_image] =>[orig_patent_app_number] => 373952 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/373952
Signal selection and fault detection apparatus May 2, 1982 Issued
Array ( [id] => 2070048 [patent_doc_number] => 04488253 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-12-11 [patent_title] => 'Parallel counter and application to binary adders' [patent_app_type] => 1 [patent_app_number] => 6/373458 [patent_app_country] => US [patent_app_date] => 1982-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2265 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 459 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/488/04488253.pdf [firstpage_image] =>[orig_patent_app_number] => 373458 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/373458
Parallel counter and application to binary adders Apr 29, 1982 Issued
Array ( [id] => 2172896 [patent_doc_number] => 04541057 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-09-10 [patent_title] => 'System for performing combined financial transactions with single dispensing of cash' [patent_app_type] => 1 [patent_app_number] => 6/368815 [patent_app_country] => US [patent_app_date] => 1982-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 27 [patent_no_of_words] => 12478 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/541/04541057.pdf [firstpage_image] =>[orig_patent_app_number] => 368815 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/368815
System for performing combined financial transactions with single dispensing of cash Apr 14, 1982 Issued
Array ( [id] => 2069999 [patent_doc_number] => 04488247 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-12-11 [patent_title] => 'Correction circuit for approximate quotient' [patent_app_type] => 1 [patent_app_number] => 6/366325 [patent_app_country] => US [patent_app_date] => 1982-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 7604 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/488/04488247.pdf [firstpage_image] =>[orig_patent_app_number] => 366325 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/366325
Correction circuit for approximate quotient Apr 6, 1982 Issued
Array ( [id] => 2211361 [patent_doc_number] => 04493047 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-01-08 [patent_title] => 'Real time data smoother and significant values selector' [patent_app_type] => 1 [patent_app_number] => 6/365816 [patent_app_country] => US [patent_app_date] => 1982-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 6516 [patent_no_of_claims] => 6 [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/04/493/04493047.pdf [firstpage_image] =>[orig_patent_app_number] => 365816 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/365816
Real time data smoother and significant values selector Apr 4, 1982 Issued
06/364923 RATIO COMPARATOR FOR DIGITAL SIGNALS Apr 1, 1982 Abandoned
Array ( [id] => 2092497 [patent_doc_number] => 04476561 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-10-09 [patent_title] => 'Device for remotely supervising operation of a branched data-transmission network' [patent_app_type] => 1 [patent_app_number] => 6/363140 [patent_app_country] => US [patent_app_date] => 1982-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2826 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/476/04476561.pdf [firstpage_image] =>[orig_patent_app_number] => 363140 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/363140
Device for remotely supervising operation of a branched data-transmission network Mar 28, 1982 Issued
Array ( [id] => 2125287 [patent_doc_number] => 04481600 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-11-06 [patent_title] => 'Apparatus for speeding up digital division in radix-2.sup.n machine' [patent_app_type] => 1 [patent_app_number] => 6/362071 [patent_app_country] => US [patent_app_date] => 1982-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4886 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 649 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/481/04481600.pdf [firstpage_image] =>[orig_patent_app_number] => 362071 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/362071
Apparatus for speeding up digital division in radix-2.sup.n machine Mar 25, 1982 Issued
Array ( [id] => 2100864 [patent_doc_number] => 04475166 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-10-02 [patent_title] => 'Digital signal processing apparatus with improved display' [patent_app_type] => 1 [patent_app_number] => 6/362171 [patent_app_country] => US [patent_app_date] => 1982-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2176 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/475/04475166.pdf [firstpage_image] =>[orig_patent_app_number] => 362171 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/362171
Digital signal processing apparatus with improved display Mar 24, 1982 Issued
Array ( [id] => 2109252 [patent_doc_number] => 04473887 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-09-25 [patent_title] => 'Processing circuit for operating on elements of a Galois field' [patent_app_type] => 1 [patent_app_number] => 6/360205 [patent_app_country] => US [patent_app_date] => 1982-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 4659 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/473/04473887.pdf [firstpage_image] =>[orig_patent_app_number] => 360205 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/360205
Processing circuit for operating on elements of a Galois field Mar 21, 1982 Issued
Array ( [id] => 2133518 [patent_doc_number] => 04454589 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-06-12 [patent_title] => 'Programmable arithmetic logic unit' [patent_app_type] => 1 [patent_app_number] => 6/357440 [patent_app_country] => US [patent_app_date] => 1982-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1219 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 415 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/454/04454589.pdf [firstpage_image] =>[orig_patent_app_number] => 357440 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/357440
Programmable arithmetic logic unit Mar 11, 1982 Issued
Array ( [id] => 2123302 [patent_doc_number] => 04449197 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-05-15 [patent_title] => 'One-bit full adder circuit' [patent_app_type] => 1 [patent_app_number] => 6/356765 [patent_app_country] => US [patent_app_date] => 1982-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3273 [patent_no_of_claims] => 2 [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/04/449/04449197.pdf [firstpage_image] =>[orig_patent_app_number] => 356765 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/356765
One-bit full adder circuit Mar 9, 1982 Issued
Array ( [id] => 2108801 [patent_doc_number] => 04484299 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-11-20 [patent_title] => 'Digital filter arrangement having memory means with addressable words stored therein' [patent_app_type] => 1 [patent_app_number] => 6/356584 [patent_app_country] => US [patent_app_date] => 1982-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1713 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/484/04484299.pdf [firstpage_image] =>[orig_patent_app_number] => 356584 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/356584
Digital filter arrangement having memory means with addressable words stored therein Mar 8, 1982 Issued
Array ( [id] => 2274988 [patent_doc_number] => 04566072 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-01-21 [patent_title] => 'Programmable calculator including means for digitizing the position of an X-Y plotter pen' [patent_app_type] => 1 [patent_app_number] => 6/355431 [patent_app_country] => US [patent_app_date] => 1982-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5701 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 231 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/566/04566072.pdf [firstpage_image] =>[orig_patent_app_number] => 355431 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/355431
Programmable calculator including means for digitizing the position of an X-Y plotter pen Mar 7, 1982 Issued
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