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
08/115181 DIGITAL TONE OSCILLATOR FOR CERTAIN EXACT FREQUENCIES AND METHOD FOR GENERATING TONES Aug 29, 1993 Abandoned
Array ( [id] => 3130355 [patent_doc_number] => 05381354 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-01-10 [patent_title] => 'Digital filtering of blocks of data values with symmetric data extension at edges of the blocks' [patent_app_type] => 1 [patent_app_number] => 8/112971 [patent_app_country] => US [patent_app_date] => 1993-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 21 [patent_no_of_words] => 3656 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/381/05381354.pdf [firstpage_image] =>[orig_patent_app_number] => 112971 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/112971
Digital filtering of blocks of data values with symmetric data extension at edges of the blocks Aug 29, 1993 Issued
Array ( [id] => 3455443 [patent_doc_number] => 05420811 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-05-30 [patent_title] => 'Simple quick image processing apparatus for performing a discrete cosine transformation or an inverse discrete cosine transformation' [patent_app_type] => 1 [patent_app_number] => 8/111381 [patent_app_country] => US [patent_app_date] => 1993-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 36 [patent_figures_cnt] => 36 [patent_no_of_words] => 26482 [patent_no_of_claims] => 88 [patent_no_of_ind_claims] => 26 [patent_words_short_claim] => 459 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/420/05420811.pdf [firstpage_image] =>[orig_patent_app_number] => 111381 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/111381
Simple quick image processing apparatus for performing a discrete cosine transformation or an inverse discrete cosine transformation Aug 23, 1993 Issued
Array ( [id] => 3064100 [patent_doc_number] => 05345407 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-09-06 [patent_title] => 'Digital multiband filter and method thereof' [patent_app_type] => 1 [patent_app_number] => 8/109892 [patent_app_country] => US [patent_app_date] => 1993-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 3201 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/345/05345407.pdf [firstpage_image] =>[orig_patent_app_number] => 109892 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/109892
Digital multiband filter and method thereof Aug 22, 1993 Issued
Array ( [id] => 3130423 [patent_doc_number] => 05381358 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-01-10 [patent_title] => 'Cyclic digital filter' [patent_app_type] => 1 [patent_app_number] => 8/110627 [patent_app_country] => US [patent_app_date] => 1993-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 9461 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/381/05381358.pdf [firstpage_image] =>[orig_patent_app_number] => 110627 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/110627
Cyclic digital filter Aug 22, 1993 Issued
Array ( [id] => 628313 [patent_doc_number] => RE039385 [patent_country] => US [patent_kind] => E1 [patent_issue_date] => 2006-11-07 [patent_title] => 'Method and apparatus for performing mathematical functions using polynomial approximation and a rectangular aspect ratio multiplier' [patent_app_type] => reissue [patent_app_number] => 08/109577 [patent_app_country] => US [patent_app_date] => 1993-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 15314 [patent_no_of_claims] => 43 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/RE/039/RE039385.pdf [firstpage_image] =>[orig_patent_app_number] => 08109577 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/109577
Method and apparatus for performing mathematical functions using polynomial approximation and a rectangular aspect ratio multiplier Aug 18, 1993 Issued
Array ( [id] => 3061202 [patent_doc_number] => 05325318 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-06-28 [patent_title] => 'Variable rate digital filter' [patent_app_type] => 1 [patent_app_number] => 8/106189 [patent_app_country] => US [patent_app_date] => 1993-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 12 [patent_no_of_words] => 3817 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/325/05325318.pdf [firstpage_image] =>[orig_patent_app_number] => 106189 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/106189
Variable rate digital filter Aug 11, 1993 Issued
08/105106 PARALLEL STRING PROCESSOR AND METHOD FOR A MINICOMPUTER Aug 9, 1993 Abandoned
Array ( [id] => 3598021 [patent_doc_number] => 05497343 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-03-05 [patent_title] => 'Reducing the number of carry-look-ahead adder stages in high-speed arithmetic units, structure and method' [patent_app_type] => 1 [patent_app_number] => 8/102663 [patent_app_country] => US [patent_app_date] => 1993-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 30 [patent_no_of_words] => 5451 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/497/05497343.pdf [firstpage_image] =>[orig_patent_app_number] => 102663 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/102663
Reducing the number of carry-look-ahead adder stages in high-speed arithmetic units, structure and method Aug 4, 1993 Issued
Array ( [id] => 3704883 [patent_doc_number] => 05619438 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-04-08 [patent_title] => 'Filter circuit for use with real-time image converter' [patent_app_type] => 1 [patent_app_number] => 8/103472 [patent_app_country] => US [patent_app_date] => 1993-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 28 [patent_no_of_words] => 12113 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/619/05619438.pdf [firstpage_image] =>[orig_patent_app_number] => 103472 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/103472
Filter circuit for use with real-time image converter Aug 4, 1993 Issued
Array ( [id] => 3031881 [patent_doc_number] => 05327364 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-07-05 [patent_title] => 'Arithmetic logic unit for microprocessor with sign bit extended' [patent_app_type] => 1 [patent_app_number] => 8/090385 [patent_app_country] => US [patent_app_date] => 1993-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2622 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/327/05327364.pdf [firstpage_image] =>[orig_patent_app_number] => 090385 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/090385
Arithmetic logic unit for microprocessor with sign bit extended Jul 11, 1993 Issued
Array ( [id] => 3468277 [patent_doc_number] => 05383138 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-01-17 [patent_title] => 'Folding portable data processing apparatus with three hinge points' [patent_app_type] => 1 [patent_app_number] => 8/088331 [patent_app_country] => US [patent_app_date] => 1993-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 28 [patent_no_of_words] => 8150 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/383/05383138.pdf [firstpage_image] =>[orig_patent_app_number] => 088331 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/088331
Folding portable data processing apparatus with three hinge points Jul 8, 1993 Issued
Array ( [id] => 3031955 [patent_doc_number] => 05327368 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-07-05 [patent_title] => 'Chunky binary multiplier and method of operation' [patent_app_type] => 1 [patent_app_number] => 8/084763 [patent_app_country] => US [patent_app_date] => 1993-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 2004 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 345 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/327/05327368.pdf [firstpage_image] =>[orig_patent_app_number] => 084763 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/084763
Chunky binary multiplier and method of operation Jun 27, 1993 Issued
08/083211 SYSTEM AND METHOD FOR FILTERING USING AN INTERLEAVED/RETIMED ARCHITECTURE Jun 24, 1993 Pending
Array ( [id] => 3118221 [patent_doc_number] => 05408423 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-04-18 [patent_title] => 'Battery operated portable terminal device and method of operation' [patent_app_type] => 1 [patent_app_number] => 8/080531 [patent_app_country] => US [patent_app_date] => 1993-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 2264 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/408/05408423.pdf [firstpage_image] =>[orig_patent_app_number] => 080531 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/080531
Battery operated portable terminal device and method of operation Jun 23, 1993 Issued
Array ( [id] => 3103337 [patent_doc_number] => 05313412 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-05-17 [patent_title] => 'Oversampling type finite impulse responsive filter' [patent_app_type] => 1 [patent_app_number] => 8/080974 [patent_app_country] => US [patent_app_date] => 1993-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 5146 [patent_no_of_claims] => 6 [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/05/313/05313412.pdf [firstpage_image] =>[orig_patent_app_number] => 080974 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/080974
Oversampling type finite impulse responsive filter Jun 23, 1993 Issued
90/003101 COMPUTER KEYBOARDS WITH FEW KEYS DESIGNATING HUNDREDS OF FUNCTIONS Jun 22, 1993 Issued
Array ( [id] => 3116776 [patent_doc_number] => 05418734 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-05-23 [patent_title] => 'Finely adjustable signal wave forming circuit including complementary clock signal counters' [patent_app_type] => 1 [patent_app_number] => 8/080803 [patent_app_country] => US [patent_app_date] => 1993-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 24 [patent_no_of_words] => 11261 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/418/05418734.pdf [firstpage_image] =>[orig_patent_app_number] => 080803 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/080803
Finely adjustable signal wave forming circuit including complementary clock signal counters Jun 20, 1993 Issued
Array ( [id] => 3430502 [patent_doc_number] => 05390136 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-02-14 [patent_title] => 'Artificial neuron and method of using same' [patent_app_type] => 1 [patent_app_number] => 8/076602 [patent_app_country] => US [patent_app_date] => 1993-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 3918 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/390/05390136.pdf [firstpage_image] =>[orig_patent_app_number] => 076602 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/076602
Artificial neuron and method of using same Jun 13, 1993 Issued
Array ( [id] => 3130338 [patent_doc_number] => 05381353 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-01-10 [patent_title] => 'Scientific electronic calculator for performing mathematical operations with predetermined priority' [patent_app_type] => 1 [patent_app_number] => 8/073661 [patent_app_country] => US [patent_app_date] => 1993-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 2457 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/381/05381353.pdf [firstpage_image] =>[orig_patent_app_number] => 073661 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/073661
Scientific electronic calculator for performing mathematical operations with predetermined priority Jun 7, 1993 Issued
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