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] => 3975518 [patent_doc_number] => 05984515 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-16 [patent_title] => 'Computer implemented method for providing a two dimensional rotation of packed data' [patent_app_type] => 1 [patent_app_number] => 8/917671 [patent_app_country] => US [patent_app_date] => 1997-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3690 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/984/05984515.pdf [firstpage_image] =>[orig_patent_app_number] => 917671 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/917671
Computer implemented method for providing a two dimensional rotation of packed data Aug 20, 1997 Issued
Array ( [id] => 3969783 [patent_doc_number] => 05936870 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-10 [patent_title] => 'Arithmetic operating device for digital signal processing and method therefor' [patent_app_type] => 1 [patent_app_number] => 8/912244 [patent_app_country] => US [patent_app_date] => 1997-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3055 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/936/05936870.pdf [firstpage_image] =>[orig_patent_app_number] => 912244 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/912244
Arithmetic operating device for digital signal processing and method therefor Aug 14, 1997 Issued
Array ( [id] => 4005000 [patent_doc_number] => 05920493 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-07-06 [patent_title] => 'Apparatus and method to determine a most significant bit' [patent_app_type] => 1 [patent_app_number] => 8/912046 [patent_app_country] => US [patent_app_date] => 1997-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 4538 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/920/05920493.pdf [firstpage_image] =>[orig_patent_app_number] => 912046 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/912046
Apparatus and method to determine a most significant bit Aug 14, 1997 Issued
Array ( [id] => 3988344 [patent_doc_number] => 05917736 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-06-29 [patent_title] => 'Two-dimensional inverse-discrete cosine transform circuit' [patent_app_type] => 1 [patent_app_number] => 8/907922 [patent_app_country] => US [patent_app_date] => 1997-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 30 [patent_no_of_words] => 11037 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/917/05917736.pdf [firstpage_image] =>[orig_patent_app_number] => 907922 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/907922
Two-dimensional inverse-discrete cosine transform circuit Aug 10, 1997 Issued
Array ( [id] => 4025605 [patent_doc_number] => 05941942 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-24 [patent_title] => 'Method for multiplying a multiplicand and a multiplier according to the booth method in interactive steps' [patent_app_type] => 1 [patent_app_number] => 8/907527 [patent_app_country] => US [patent_app_date] => 1997-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3765 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/941/05941942.pdf [firstpage_image] =>[orig_patent_app_number] => 907527 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/907527
Method for multiplying a multiplicand and a multiplier according to the booth method in interactive steps Aug 7, 1997 Issued
Array ( [id] => 4067129 [patent_doc_number] => 05864494 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-01-26 [patent_title] => 'Discrete cosine transformer and inverse discrete cosine transformer' [patent_app_type] => 1 [patent_app_number] => 8/906519 [patent_app_country] => US [patent_app_date] => 1997-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 41 [patent_no_of_words] => 25669 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/864/05864494.pdf [firstpage_image] =>[orig_patent_app_number] => 906519 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/906519
Discrete cosine transformer and inverse discrete cosine transformer Aug 4, 1997 Issued
Array ( [id] => 4175250 [patent_doc_number] => 06092920 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-07-25 [patent_title] => 'Method for arranging pixels to facilitate compression/extension of image data' [patent_app_type] => 1 [patent_app_number] => 8/906474 [patent_app_country] => US [patent_app_date] => 1997-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 14 [patent_no_of_words] => 4610 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/092/06092920.pdf [firstpage_image] =>[orig_patent_app_number] => 906474 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/906474
Method for arranging pixels to facilitate compression/extension of image data Aug 4, 1997 Issued
Array ( [id] => 3896193 [patent_doc_number] => 05894429 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-04-13 [patent_title] => 'Method for creating a digital control signal' [patent_app_type] => 1 [patent_app_number] => 8/905884 [patent_app_country] => US [patent_app_date] => 1997-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1578 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/894/05894429.pdf [firstpage_image] =>[orig_patent_app_number] => 905884 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/905884
Method for creating a digital control signal Jul 31, 1997 Issued
Array ( [id] => 4027038 [patent_doc_number] => 05907498 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-05-25 [patent_title] => 'Circuit and method for overflow detection in a digital signal processor having a barrel shifter and arithmetic logic unit connected in series' [patent_app_type] => 1 [patent_app_number] => 8/904654 [patent_app_country] => US [patent_app_date] => 1997-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2200 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/907/05907498.pdf [firstpage_image] =>[orig_patent_app_number] => 904654 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/904654
Circuit and method for overflow detection in a digital signal processor having a barrel shifter and arithmetic logic unit connected in series Jul 31, 1997 Issued
Array ( [id] => 4018044 [patent_doc_number] => 05889622 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-03-30 [patent_title] => 'Data processing device including a microprocessor and an additional arithmetic unit' [patent_app_type] => 1 [patent_app_number] => 8/903566 [patent_app_country] => US [patent_app_date] => 1997-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1736 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/889/05889622.pdf [firstpage_image] =>[orig_patent_app_number] => 903566 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/903566
Data processing device including a microprocessor and an additional arithmetic unit Jul 30, 1997 Issued
Array ( [id] => 4067074 [patent_doc_number] => 05864490 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-01-26 [patent_title] => 'Retractable electronic pen pad assembly for a keyboard' [patent_app_type] => 1 [patent_app_number] => 8/906118 [patent_app_country] => US [patent_app_date] => 1997-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2899 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/864/05864490.pdf [firstpage_image] =>[orig_patent_app_number] => 906118 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/906118
Retractable electronic pen pad assembly for a keyboard Jul 24, 1997 Issued
Array ( [id] => 3853334 [patent_doc_number] => 05847984 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-12-08 [patent_title] => 'Combination propagate and generate carry lookahead gate' [patent_app_type] => 1 [patent_app_number] => 8/895805 [patent_app_country] => US [patent_app_date] => 1997-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 5692 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/847/05847984.pdf [firstpage_image] =>[orig_patent_app_number] => 895805 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/895805
Combination propagate and generate carry lookahead gate Jul 16, 1997 Issued
Array ( [id] => 3980392 [patent_doc_number] => 05886914 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-03-23 [patent_title] => 'Filter circuit with reduced number of delay elements and adders' [patent_app_type] => 1 [patent_app_number] => 8/892968 [patent_app_country] => US [patent_app_date] => 1997-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 10373 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/886/05886914.pdf [firstpage_image] =>[orig_patent_app_number] => 892968 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/892968
Filter circuit with reduced number of delay elements and adders Jul 14, 1997 Issued
Array ( [id] => 3891952 [patent_doc_number] => 05805491 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-08 [patent_title] => 'Fast 4-2 carry save adder using multiplexer logic' [patent_app_type] => 1 [patent_app_number] => 8/893802 [patent_app_country] => US [patent_app_date] => 1997-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3598 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 316 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/805/05805491.pdf [firstpage_image] =>[orig_patent_app_number] => 893802 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/893802
Fast 4-2 carry save adder using multiplexer logic Jul 10, 1997 Issued
Array ( [id] => 3925660 [patent_doc_number] => 05975749 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-02 [patent_title] => 'Zero and one detection chain for a carry select adder' [patent_app_type] => 1 [patent_app_number] => 8/893804 [patent_app_country] => US [patent_app_date] => 1997-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 17 [patent_no_of_words] => 7987 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/975/05975749.pdf [firstpage_image] =>[orig_patent_app_number] => 893804 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/893804
Zero and one detection chain for a carry select adder Jul 10, 1997 Issued
Array ( [id] => 4239398 [patent_doc_number] => 06012078 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-01-04 [patent_title] => 'Calculation unit' [patent_app_type] => 1 [patent_app_number] => 8/880511 [patent_app_country] => US [patent_app_date] => 1997-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3992 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/012/06012078.pdf [firstpage_image] =>[orig_patent_app_number] => 880511 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/880511
Calculation unit Jun 22, 1997 Issued
Array ( [id] => 4214846 [patent_doc_number] => 06014682 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-01-11 [patent_title] => 'Methods and apparatus for variable-rate down-sampling filters for discrete-time sampled systems using a fixed sampling rate' [patent_app_type] => 1 [patent_app_number] => 8/866590 [patent_app_country] => US [patent_app_date] => 1997-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 13 [patent_no_of_words] => 4675 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/014/06014682.pdf [firstpage_image] =>[orig_patent_app_number] => 866590 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/866590
Methods and apparatus for variable-rate down-sampling filters for discrete-time sampled systems using a fixed sampling rate May 29, 1997 Issued
Array ( [id] => 4020695 [patent_doc_number] => 05987485 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-16 [patent_title] => 'Adaptive digital filter' [patent_app_type] => 1 [patent_app_number] => 8/809132 [patent_app_country] => US [patent_app_date] => 1997-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2258 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/987/05987485.pdf [firstpage_image] =>[orig_patent_app_number] => 809132 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/809132
Adaptive digital filter May 27, 1997 Issued
Array ( [id] => 3844227 [patent_doc_number] => 05761105 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-06-02 [patent_title] => 'Reservation station including addressable constant store for a floating point processing unit' [patent_app_type] => 1 [patent_app_number] => 8/855162 [patent_app_country] => US [patent_app_date] => 1997-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 14 [patent_no_of_words] => 10713 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/761/05761105.pdf [firstpage_image] =>[orig_patent_app_number] => 855162 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/855162
Reservation station including addressable constant store for a floating point processing unit May 12, 1997 Issued
Array ( [id] => 3808997 [patent_doc_number] => 05828587 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-10-27 [patent_title] => 'Attachment apparatus for checkbook cover and method of use thereof' [patent_app_type] => 1 [patent_app_number] => 8/851690 [patent_app_country] => US [patent_app_date] => 1997-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 11 [patent_no_of_words] => 1432 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/828/05828587.pdf [firstpage_image] =>[orig_patent_app_number] => 851690 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/851690
Attachment apparatus for checkbook cover and method of use thereof May 5, 1997 Issued
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