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] => 3853584 [patent_doc_number] => 05745399 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-04-28 [patent_title] => 'Decimal arithmetic apparatus and method' [patent_app_type] => 1 [patent_app_number] => 8/638171 [patent_app_country] => US [patent_app_date] => 1996-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1470 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/745/05745399.pdf [firstpage_image] =>[orig_patent_app_number] => 638171 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/638171
Decimal arithmetic apparatus and method Apr 25, 1996 Issued
Array ( [id] => 4036857 [patent_doc_number] => 05883822 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-03-16 [patent_title] => 'Device for programmable delay of an analog signal and corresponding programmable acoustic antenna' [patent_app_type] => 1 [patent_app_number] => 8/639083 [patent_app_country] => US [patent_app_date] => 1996-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 4824 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/883/05883822.pdf [firstpage_image] =>[orig_patent_app_number] => 639083 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/639083
Device for programmable delay of an analog signal and corresponding programmable acoustic antenna Apr 23, 1996 Issued
Array ( [id] => 3970150 [patent_doc_number] => 05999958 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-07 [patent_title] => 'Device for computing discrete cosine transform and inverse discrete cosine transform' [patent_app_type] => 1 [patent_app_number] => 8/636971 [patent_app_country] => US [patent_app_date] => 1996-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5950 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/999/05999958.pdf [firstpage_image] =>[orig_patent_app_number] => 636971 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/636971
Device for computing discrete cosine transform and inverse discrete cosine transform Apr 23, 1996 Issued
Array ( [id] => 3783674 [patent_doc_number] => 05774386 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-06-30 [patent_title] => 'Method and apparatus for performing function evaluation using a cache' [patent_app_type] => 1 [patent_app_number] => 8/633332 [patent_app_country] => US [patent_app_date] => 1996-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 4202 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/774/05774386.pdf [firstpage_image] =>[orig_patent_app_number] => 633332 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/633332
Method and apparatus for performing function evaluation using a cache Apr 16, 1996 Issued
Array ( [id] => 3791750 [patent_doc_number] => 05818741 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-10-06 [patent_title] => 'Digital filtering system for signals' [patent_app_type] => 1 [patent_app_number] => 8/632932 [patent_app_country] => US [patent_app_date] => 1996-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 1525 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/818/05818741.pdf [firstpage_image] =>[orig_patent_app_number] => 632932 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/632932
Digital filtering system for signals Apr 15, 1996 Issued
Array ( [id] => 3835820 [patent_doc_number] => 05732003 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-03-24 [patent_title] => 'Sawtooth phase filter' [patent_app_type] => 1 [patent_app_number] => 8/634003 [patent_app_country] => US [patent_app_date] => 1996-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 3620 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/732/05732003.pdf [firstpage_image] =>[orig_patent_app_number] => 634003 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/634003
Sawtooth phase filter Apr 14, 1996 Issued
Array ( [id] => 3866427 [patent_doc_number] => 05768164 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-06-16 [patent_title] => 'Spontaneous use display for a computing system' [patent_app_type] => 1 [patent_app_number] => 8/632212 [patent_app_country] => US [patent_app_date] => 1996-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 1684 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/768/05768164.pdf [firstpage_image] =>[orig_patent_app_number] => 632212 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/632212
Spontaneous use display for a computing system Apr 14, 1996 Issued
Array ( [id] => 3866409 [patent_doc_number] => 05768163 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-06-16 [patent_title] => 'Versatile attachment of handheld devices to a host computing system' [patent_app_type] => 1 [patent_app_number] => 8/632211 [patent_app_country] => US [patent_app_date] => 1996-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 17 [patent_no_of_words] => 3094 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 14 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/768/05768163.pdf [firstpage_image] =>[orig_patent_app_number] => 632211 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/632211
Versatile attachment of handheld devices to a host computing system Apr 14, 1996 Issued
Array ( [id] => 3752959 [patent_doc_number] => 05754455 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-05-19 [patent_title] => 'Method and apparatus for setting a bit-serial filter to an all-zero state' [patent_app_type] => 1 [patent_app_number] => 8/631321 [patent_app_country] => US [patent_app_date] => 1996-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2696 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/754/05754455.pdf [firstpage_image] =>[orig_patent_app_number] => 631321 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/631321
Method and apparatus for setting a bit-serial filter to an all-zero state Apr 9, 1996 Issued
Array ( [id] => 3972476 [patent_doc_number] => 05978827 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-02 [patent_title] => 'Arithmetic processing' [patent_app_type] => 1 [patent_app_number] => 8/630742 [patent_app_country] => US [patent_app_date] => 1996-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 42 [patent_figures_cnt] => 52 [patent_no_of_words] => 18558 [patent_no_of_claims] => 44 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/978/05978827.pdf [firstpage_image] =>[orig_patent_app_number] => 630742 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/630742
Arithmetic processing Apr 9, 1996 Issued
Array ( [id] => 3844254 [patent_doc_number] => 05761107 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-06-02 [patent_title] => 'Method and apparatus for improving the speed of a logic circuit' [patent_app_type] => 1 [patent_app_number] => 8/629703 [patent_app_country] => US [patent_app_date] => 1996-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3660 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/761/05761107.pdf [firstpage_image] =>[orig_patent_app_number] => 629703 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/629703
Method and apparatus for improving the speed of a logic circuit Apr 8, 1996 Issued
Array ( [id] => 3697434 [patent_doc_number] => 05644518 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-07-01 [patent_title] => 'Computing device for nth degree functions' [patent_app_type] => 1 [patent_app_number] => 8/622051 [patent_app_country] => US [patent_app_date] => 1996-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 10 [patent_no_of_words] => 6045 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 439 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/644/05644518.pdf [firstpage_image] =>[orig_patent_app_number] => 622051 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/622051
Computing device for nth degree functions Mar 25, 1996 Issued
Array ( [id] => 3889186 [patent_doc_number] => 05825677 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-10-20 [patent_title] => 'Numerically intensive computer accelerator' [patent_app_type] => 1 [patent_app_number] => 8/619456 [patent_app_country] => US [patent_app_date] => 1996-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 8433 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/825/05825677.pdf [firstpage_image] =>[orig_patent_app_number] => 619456 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/619456
Numerically intensive computer accelerator Mar 19, 1996 Issued
Array ( [id] => 3664321 [patent_doc_number] => 05623433 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-04-22 [patent_title] => 'Extended numerical keyboard with structured data-entry capability' [patent_app_type] => 1 [patent_app_number] => 8/613600 [patent_app_country] => US [patent_app_date] => 1996-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 10476 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 247 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/623/05623433.pdf [firstpage_image] =>[orig_patent_app_number] => 613600 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/613600
Extended numerical keyboard with structured data-entry capability Mar 10, 1996 Issued
Array ( [id] => 3752987 [patent_doc_number] => 05754457 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-05-19 [patent_title] => 'Method for performing an inverse cosine transfer function for use with multimedia information' [patent_app_type] => 1 [patent_app_number] => 8/611252 [patent_app_country] => US [patent_app_date] => 1996-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 17 [patent_no_of_words] => 6999 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/754/05754457.pdf [firstpage_image] =>[orig_patent_app_number] => 611252 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/611252
Method for performing an inverse cosine transfer function for use with multimedia information Mar 4, 1996 Issued
Array ( [id] => 3752974 [patent_doc_number] => 05754456 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-05-19 [patent_title] => 'Computer system performing an inverse cosine transfer function for use with multimedia information' [patent_app_type] => 1 [patent_app_number] => 8/610872 [patent_app_country] => US [patent_app_date] => 1996-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 17 [patent_no_of_words] => 6999 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/754/05754456.pdf [firstpage_image] =>[orig_patent_app_number] => 610872 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/610872
Computer system performing an inverse cosine transfer function for use with multimedia information Mar 4, 1996 Issued
Array ( [id] => 4387163 [patent_doc_number] => 06275834 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-08-14 [patent_title] => 'Apparatus for performing packed shift operations' [patent_app_type] => 1 [patent_app_number] => 8/610495 [patent_app_country] => US [patent_app_date] => 1996-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 20 [patent_no_of_words] => 13383 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/275/06275834.pdf [firstpage_image] =>[orig_patent_app_number] => 610495 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/610495
Apparatus for performing packed shift operations Mar 3, 1996 Issued
Array ( [id] => 3518818 [patent_doc_number] => 05587939 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-12-24 [patent_title] => 'Half-band filter for a cellular group demultiplexer' [patent_app_type] => 1 [patent_app_number] => 8/608940 [patent_app_country] => US [patent_app_date] => 1996-02-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 43 [patent_no_of_words] => 6080 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 893 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/587/05587939.pdf [firstpage_image] =>[orig_patent_app_number] => 608940 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/608940
Half-band filter for a cellular group demultiplexer Feb 28, 1996 Issued
Array ( [id] => 3996479 [patent_doc_number] => 05961580 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-05 [patent_title] => 'Apparatus and method for efficiently calculating a linear address in a microprocessor' [patent_app_type] => 1 [patent_app_number] => 8/603803 [patent_app_country] => US [patent_app_date] => 1996-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 12268 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/961/05961580.pdf [firstpage_image] =>[orig_patent_app_number] => 603803 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/603803
Apparatus and method for efficiently calculating a linear address in a microprocessor Feb 19, 1996 Issued
90/004138 METHOD AND APPARATUS FOR PERFORMING MATHEMATICAL FUNCTIONS USING POLYNOMINAL APPROXIMATION AND A RECTANGULAR ASPECT RATIO MULTIPLIER Feb 11, 1996 Issued
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