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] => 4077339 [patent_doc_number] => 05867414 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-02-02 [patent_title] => 'Compact pipelined matrix multiplier utilizing encoding and shifting circuit configurations' [patent_app_type] => 1 [patent_app_number] => 8/291971 [patent_app_country] => US [patent_app_date] => 1994-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 6077 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 497 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/867/05867414.pdf [firstpage_image] =>[orig_patent_app_number] => 291971 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/291971
Compact pipelined matrix multiplier utilizing encoding and shifting circuit configurations Aug 16, 1994 Issued
Array ( [id] => 3617719 [patent_doc_number] => 05590065 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-12-31 [patent_title] => 'Digital decimation filter for delta sigma analog-to-digital conversion with reduced hardware compelexity' [patent_app_type] => 1 [patent_app_number] => 8/288624 [patent_app_country] => US [patent_app_date] => 1994-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 21 [patent_no_of_words] => 5368 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/590/05590065.pdf [firstpage_image] =>[orig_patent_app_number] => 288624 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/288624
Digital decimation filter for delta sigma analog-to-digital conversion with reduced hardware compelexity Aug 9, 1994 Issued
Array ( [id] => 3467188 [patent_doc_number] => 05473555 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-12-05 [patent_title] => 'Method and apparatus for enhancing frequency domain analysis' [patent_app_type] => 1 [patent_app_number] => 8/286497 [patent_app_country] => US [patent_app_date] => 1994-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 4837 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 13 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/473/05473555.pdf [firstpage_image] =>[orig_patent_app_number] => 286497 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/286497
Method and apparatus for enhancing frequency domain analysis Aug 3, 1994 Issued
Array ( [id] => 3515357 [patent_doc_number] => 05515307 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-05-07 [patent_title] => 'Pseudo-random generator' [patent_app_type] => 1 [patent_app_number] => 8/286161 [patent_app_country] => US [patent_app_date] => 1994-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 4361 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/515/05515307.pdf [firstpage_image] =>[orig_patent_app_number] => 286161 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/286161
Pseudo-random generator Aug 3, 1994 Issued
Array ( [id] => 3597944 [patent_doc_number] => 05497339 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-03-05 [patent_title] => 'Portable apparatus for providing multiple integrated communication media' [patent_app_type] => 1 [patent_app_number] => 8/284396 [patent_app_country] => US [patent_app_date] => 1994-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 18004 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/497/05497339.pdf [firstpage_image] =>[orig_patent_app_number] => 284396 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/284396
Portable apparatus for providing multiple integrated communication media Aug 1, 1994 Issued
Array ( [id] => 3572655 [patent_doc_number] => 05526297 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-06-11 [patent_title] => 'Random unique word detection method and apparatus' [patent_app_type] => 1 [patent_app_number] => 8/282021 [patent_app_country] => US [patent_app_date] => 1994-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 6094 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/526/05526297.pdf [firstpage_image] =>[orig_patent_app_number] => 282021 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/282021
Random unique word detection method and apparatus Jul 28, 1994 Issued
08/281571 METHOD AND APPARATUS FOR A SINGLE INSTRUCTION MULTIPLE DATA EARLY-OUT ZERO-SKIP MULTIPLIER Jul 26, 1994 Abandoned
Array ( [id] => 3598458 [patent_doc_number] => 05517438 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-05-14 [patent_title] => 'Fast multiply-add instruction sequence in a pipeline floating-point processor' [patent_app_type] => 1 [patent_app_number] => 8/278522 [patent_app_country] => US [patent_app_date] => 1994-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 20 [patent_no_of_words] => 4135 [patent_no_of_claims] => 2 [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/05/517/05517438.pdf [firstpage_image] =>[orig_patent_app_number] => 278522 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/278522
Fast multiply-add instruction sequence in a pipeline floating-point processor Jul 19, 1994 Issued
Array ( [id] => 4427241 [patent_doc_number] => 06226664 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-01 [patent_title] => 'Method and device for adding and subtracting thermometer coded data' [patent_app_type] => 1 [patent_app_number] => 8/277386 [patent_app_country] => US [patent_app_date] => 1994-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 6489 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/226/06226664.pdf [firstpage_image] =>[orig_patent_app_number] => 277386 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/277386
Method and device for adding and subtracting thermometer coded data Jul 18, 1994 Issued
Array ( [id] => 3563380 [patent_doc_number] => 05519646 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-05-21 [patent_title] => 'Calculator with display of processing for mulas as processing progresses' [patent_app_type] => 1 [patent_app_number] => 8/274412 [patent_app_country] => US [patent_app_date] => 1994-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 60 [patent_figures_cnt] => 132 [patent_no_of_words] => 27661 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/519/05519646.pdf [firstpage_image] =>[orig_patent_app_number] => 274412 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/274412
Calculator with display of processing for mulas as processing progresses Jul 12, 1994 Issued
Array ( [id] => 4191581 [patent_doc_number] => 06141667 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-10-31 [patent_title] => 'Waterproofing and increasing portability of a portable computer' [patent_app_type] => 1 [patent_app_number] => 8/273813 [patent_app_country] => US [patent_app_date] => 1994-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 12 [patent_no_of_words] => 3471 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/141/06141667.pdf [firstpage_image] =>[orig_patent_app_number] => 273813 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/273813
Waterproofing and increasing portability of a portable computer Jul 11, 1994 Issued
08/270593 EXTENDED NUMERICAL KEYBOARD WITH STRUCTURED DATA-ENTRY CAPABILITY Jul 4, 1994 Abandoned
Array ( [id] => 3507453 [patent_doc_number] => 05532951 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-07-02 [patent_title] => 'Device for eliminating ringing in filtered ECG signals' [patent_app_type] => 1 [patent_app_number] => 8/266233 [patent_app_country] => US [patent_app_date] => 1994-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2501 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/532/05532951.pdf [firstpage_image] =>[orig_patent_app_number] => 266233 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/266233
Device for eliminating ringing in filtered ECG signals Jun 26, 1994 Issued
Array ( [id] => 3120333 [patent_doc_number] => 05465223 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-11-07 [patent_title] => 'Barrel shifter' [patent_app_type] => 1 [patent_app_number] => 8/256113 [patent_app_country] => US [patent_app_date] => 1994-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 16 [patent_no_of_words] => 10961 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 294 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/465/05465223.pdf [firstpage_image] =>[orig_patent_app_number] => 256113 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/256113
Barrel shifter Jun 23, 1994 Issued
Array ( [id] => 3582343 [patent_doc_number] => 05539683 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-07-23 [patent_title] => 'Method and device for processing, and detecting a state of, binary data' [patent_app_type] => 1 [patent_app_number] => 8/265032 [patent_app_country] => US [patent_app_date] => 1994-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 45 [patent_figures_cnt] => 52 [patent_no_of_words] => 12534 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 16 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/539/05539683.pdf [firstpage_image] =>[orig_patent_app_number] => 265032 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/265032
Method and device for processing, and detecting a state of, binary data Jun 23, 1994 Issued
08/244062 ADAPTIVE FILTER Jun 21, 1994 Abandoned
Array ( [id] => 3549492 [patent_doc_number] => 05481489 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-01-02 [patent_title] => 'Method of and apparatus for discriminating NaN' [patent_app_type] => 1 [patent_app_number] => 8/232001 [patent_app_country] => US [patent_app_date] => 1994-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 33 [patent_figures_cnt] => 40 [patent_no_of_words] => 11304 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/481/05481489.pdf [firstpage_image] =>[orig_patent_app_number] => 232001 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/232001
Method of and apparatus for discriminating NaN Jun 16, 1994 Issued
Array ( [id] => 3564843 [patent_doc_number] => 05500812 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-03-19 [patent_title] => 'Multiplication circuit having rounding function' [patent_app_type] => 1 [patent_app_number] => 8/258991 [patent_app_country] => US [patent_app_date] => 1994-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2147 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/500/05500812.pdf [firstpage_image] =>[orig_patent_app_number] => 258991 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/258991
Multiplication circuit having rounding function Jun 12, 1994 Issued
08/258313 COMPUTING DEVICE FOR NTH DEGREE FUNCTIONS Jun 9, 1994 Abandoned
Array ( [id] => 3598430 [patent_doc_number] => 05517436 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-05-14 [patent_title] => 'Digital signal processor for audio applications' [patent_app_type] => 1 [patent_app_number] => 8/255262 [patent_app_country] => US [patent_app_date] => 1994-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 15080 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/517/05517436.pdf [firstpage_image] =>[orig_patent_app_number] => 255262 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/255262
Digital signal processor for audio applications Jun 6, 1994 Issued
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