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] => 2853919 [patent_doc_number] => 05138570 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-08-11 [patent_title] => 'Multiplier signed and unsigned overflow flags' [patent_app_type] => 1 [patent_app_number] => 7/585443 [patent_app_country] => US [patent_app_date] => 1990-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 4366 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/138/05138570.pdf [firstpage_image] =>[orig_patent_app_number] => 585443 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/585443
Multiplier signed and unsigned overflow flags Sep 19, 1990 Issued
Array ( [id] => 2734515 [patent_doc_number] => 05058046 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-15 [patent_title] => 'Cursor selected keyboard keys displayed on the computer screen for entering alphanumeric characters and instructions, particularly for creating computer aided design and drafting patterns' [patent_app_type] => 1 [patent_app_number] => 7/598010 [patent_app_country] => US [patent_app_date] => 1990-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 3871 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 347 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/058/05058046.pdf [firstpage_image] =>[orig_patent_app_number] => 598010 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/598010
Cursor selected keyboard keys displayed on the computer screen for entering alphanumeric characters and instructions, particularly for creating computer aided design and drafting patterns Sep 19, 1990 Issued
Array ( [id] => 2996417 [patent_doc_number] => 05212662 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-18 [patent_title] => 'Floating point arithmetic two cycle data flow' [patent_app_type] => 1 [patent_app_number] => 7/580892 [patent_app_country] => US [patent_app_date] => 1990-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 2063 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/212/05212662.pdf [firstpage_image] =>[orig_patent_app_number] => 580892 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/580892
Floating point arithmetic two cycle data flow Sep 10, 1990 Issued
Array ( [id] => 2721914 [patent_doc_number] => 05010510 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-04-23 [patent_title] => 'Multiplying unit circuit' [patent_app_type] => 1 [patent_app_number] => 7/579343 [patent_app_country] => US [patent_app_date] => 1990-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 4755 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/010/05010510.pdf [firstpage_image] =>[orig_patent_app_number] => 579343 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/579343
Multiplying unit circuit Sep 6, 1990 Issued
Array ( [id] => 2944490 [patent_doc_number] => 05197022 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-23 [patent_title] => 'Overflow detection calculator and method of overflow determination' [patent_app_type] => 1 [patent_app_number] => 7/574733 [patent_app_country] => US [patent_app_date] => 1990-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2335 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/197/05197022.pdf [firstpage_image] =>[orig_patent_app_number] => 574733 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/574733
Overflow detection calculator and method of overflow determination Aug 29, 1990 Issued
Array ( [id] => 2879921 [patent_doc_number] => 05153850 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-06 [patent_title] => 'Method and apparatus for modifying two\'s complement multiplier to perform unsigned magnitude multiplication' [patent_app_type] => 1 [patent_app_number] => 7/572743 [patent_app_country] => US [patent_app_date] => 1990-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3636 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/153/05153850.pdf [firstpage_image] =>[orig_patent_app_number] => 572743 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/572743
Method and apparatus for modifying two's complement multiplier to perform unsigned magnitude multiplication Aug 23, 1990 Issued
Array ( [id] => 2859232 [patent_doc_number] => 05105376 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-04-14 [patent_title] => 'Linear feedback shift registers' [patent_app_type] => 1 [patent_app_number] => 7/564913 [patent_app_country] => US [patent_app_date] => 1990-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 13 [patent_no_of_words] => 4244 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/105/05105376.pdf [firstpage_image] =>[orig_patent_app_number] => 564913 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/564913
Linear feedback shift registers Aug 7, 1990 Issued
07/563886 METHOD AND APPARATUS FOR PERFORMING FLOATING POINT DIVISION Aug 5, 1990 Abandoned
Array ( [id] => 2864748 [patent_doc_number] => 05113361 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-05-12 [patent_title] => 'Sin/cos generator implementation' [patent_app_type] => 1 [patent_app_number] => 7/561821 [patent_app_country] => US [patent_app_date] => 1990-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 4087 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 29 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/113/05113361.pdf [firstpage_image] =>[orig_patent_app_number] => 561821 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/561821
Sin/cos generator implementation Aug 1, 1990 Issued
Array ( [id] => 2800575 [patent_doc_number] => 05136530 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-08-04 [patent_title] => 'Ultrafast digital optical signal processing using a Venn diagram based spatial encoding technique' [patent_app_type] => 1 [patent_app_number] => 7/559122 [patent_app_country] => US [patent_app_date] => 1990-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 4027 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/136/05136530.pdf [firstpage_image] =>[orig_patent_app_number] => 559122 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/559122
Ultrafast digital optical signal processing using a Venn diagram based spatial encoding technique Jul 25, 1990 Issued
07/555321 DEVICE AND METHOD FOR EVALUATING LOGARITHMS Jul 18, 1990 Abandoned
07/555324 DEVICE AND METHOD FOR EVALUATING INVERSE TRIGONOMETRIC FUNCTIONS Jul 18, 1990 Abandoned
Array ( [id] => 2870306 [patent_doc_number] => 05166899 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-11-24 [patent_title] => 'Lookahead adder' [patent_app_type] => 1 [patent_app_number] => 7/554612 [patent_app_country] => US [patent_app_date] => 1990-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 22 [patent_no_of_words] => 5727 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 325 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/166/05166899.pdf [firstpage_image] =>[orig_patent_app_number] => 554612 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/554612
Lookahead adder Jul 17, 1990 Issued
Array ( [id] => 2863638 [patent_doc_number] => 05126962 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-30 [patent_title] => 'Discrete cosine transform processing system' [patent_app_type] => 1 [patent_app_number] => 7/551871 [patent_app_country] => US [patent_app_date] => 1990-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 5148 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/126/05126962.pdf [firstpage_image] =>[orig_patent_app_number] => 551871 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/551871
Discrete cosine transform processing system Jul 10, 1990 Issued
Array ( [id] => 2879938 [patent_doc_number] => 05153851 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-06 [patent_title] => 'Method and arrangement of determining approximated reciprocal of binary normalized fraction of divisor' [patent_app_type] => 1 [patent_app_number] => 7/551094 [patent_app_country] => US [patent_app_date] => 1990-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4584 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/153/05153851.pdf [firstpage_image] =>[orig_patent_app_number] => 551094 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/551094
Method and arrangement of determining approximated reciprocal of binary normalized fraction of divisor Jul 10, 1990 Issued
Array ( [id] => 2836146 [patent_doc_number] => 05117378 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-05-26 [patent_title] => 'Laptop computer with detachable interface card' [patent_app_type] => 1 [patent_app_number] => 7/551143 [patent_app_country] => US [patent_app_date] => 1990-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 1001 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/117/05117378.pdf [firstpage_image] =>[orig_patent_app_number] => 551143 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/551143
Laptop computer with detachable interface card Jul 10, 1990 Issued
Array ( [id] => 2877483 [patent_doc_number] => 05097433 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-17 [patent_title] => 'Stack filter with one stage per bit' [patent_app_type] => 1 [patent_app_number] => 7/551112 [patent_app_country] => US [patent_app_date] => 1990-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 5109 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 676 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/097/05097433.pdf [firstpage_image] =>[orig_patent_app_number] => 551112 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/551112
Stack filter with one stage per bit Jul 10, 1990 Issued
Array ( [id] => 2820036 [patent_doc_number] => 05086405 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-02-04 [patent_title] => 'Floating point adder circuit using neural network' [patent_app_type] => 1 [patent_app_number] => 7/550450 [patent_app_country] => US [patent_app_date] => 1990-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3908 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 425 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/086/05086405.pdf [firstpage_image] =>[orig_patent_app_number] => 550450 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/550450
Floating point adder circuit using neural network Jul 9, 1990 Issued
Array ( [id] => 2796876 [patent_doc_number] => 05155699 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-13 [patent_title] => 'Divider using neural network' [patent_app_type] => 1 [patent_app_number] => 7/550503 [patent_app_country] => US [patent_app_date] => 1990-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 2690 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 358 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/155/05155699.pdf [firstpage_image] =>[orig_patent_app_number] => 550503 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/550503
Divider using neural network Jul 9, 1990 Issued
Array ( [id] => 2797145 [patent_doc_number] => 05130944 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-07-14 [patent_title] => 'Divider circuit adopting a neural network architecture to increase division processing speed and reduce hardware components' [patent_app_type] => 1 [patent_app_number] => 7/549942 [patent_app_country] => US [patent_app_date] => 1990-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 1997 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 378 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/130/05130944.pdf [firstpage_image] =>[orig_patent_app_number] => 549942 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/549942
Divider circuit adopting a neural network architecture to increase division processing speed and reduce hardware components Jul 8, 1990 Issued
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