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] => 3066687 [patent_doc_number] => 05351207 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-09-27 [patent_title] => 'Methods and apparatus for subtraction with 3:2 carry-save adders' [patent_app_type] => 1 [patent_app_number] => 7/938293 [patent_app_country] => US [patent_app_date] => 1992-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3249 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/351/05351207.pdf [firstpage_image] =>[orig_patent_app_number] => 938293 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/938293
Methods and apparatus for subtraction with 3:2 carry-save adders Aug 30, 1992 Issued
Array ( [id] => 2904083 [patent_doc_number] => 05270953 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-12-14 [patent_title] => 'Fast convolution multiplier' [patent_app_type] => 1 [patent_app_number] => 7/938080 [patent_app_country] => US [patent_app_date] => 1992-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 8663 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/270/05270953.pdf [firstpage_image] =>[orig_patent_app_number] => 938080 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/938080
Fast convolution multiplier Aug 30, 1992 Issued
Array ( [id] => 3040995 [patent_doc_number] => 05343418 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-08-30 [patent_title] => 'Three-to-two carry save adder cell' [patent_app_type] => 1 [patent_app_number] => 7/934943 [patent_app_country] => US [patent_app_date] => 1992-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1874 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/343/05343418.pdf [firstpage_image] =>[orig_patent_app_number] => 934943 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/934943
Three-to-two carry save adder cell Aug 24, 1992 Issued
Array ( [id] => 3085842 [patent_doc_number] => 05323338 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-06-21 [patent_title] => 'Pseudo-random sequence generators' [patent_app_type] => 1 [patent_app_number] => 7/923892 [patent_app_country] => US [patent_app_date] => 1992-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3167 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/323/05323338.pdf [firstpage_image] =>[orig_patent_app_number] => 923892 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/923892
Pseudo-random sequence generators Aug 23, 1992 Issued
07/932515 COMBINATION LAPTOP AND PAD COMPUTER Aug 19, 1992 Abandoned
07/933033 LINEAR INTERPOLATION OPERATOR Aug 19, 1992 Abandoned
Array ( [id] => 2973547 [patent_doc_number] => 05265042 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-23 [patent_title] => 'Device and method for a nonlinear comb filter' [patent_app_type] => 1 [patent_app_number] => 7/932532 [patent_app_country] => US [patent_app_date] => 1992-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3649 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/265/05265042.pdf [firstpage_image] =>[orig_patent_app_number] => 932532 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/932532
Device and method for a nonlinear comb filter Aug 19, 1992 Issued
Array ( [id] => 3086280 [patent_doc_number] => 05297073 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-22 [patent_title] => 'Integer divide using shift and subtract' [patent_app_type] => 1 [patent_app_number] => 7/932393 [patent_app_country] => US [patent_app_date] => 1992-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 5322 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/297/05297073.pdf [firstpage_image] =>[orig_patent_app_number] => 932393 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/932393
Integer divide using shift and subtract Aug 18, 1992 Issued
Array ( [id] => 3111233 [patent_doc_number] => 05315540 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-05-24 [patent_title] => 'Method and hardware for dividing binary signal by non-binary integer number' [patent_app_type] => 1 [patent_app_number] => 7/931623 [patent_app_country] => US [patent_app_date] => 1992-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 4305 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/315/05315540.pdf [firstpage_image] =>[orig_patent_app_number] => 931623 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/931623
Method and hardware for dividing binary signal by non-binary integer number Aug 17, 1992 Issued
07/930167 HALF-BAND FILTER AND METHOD Aug 13, 1992 Abandoned
Array ( [id] => 3084065 [patent_doc_number] => 05365471 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-11-15 [patent_title] => 'Divider for performing signed division using a redundant signed digit' [patent_app_type] => 1 [patent_app_number] => 7/926871 [patent_app_country] => US [patent_app_date] => 1992-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 21 [patent_no_of_words] => 4439 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/365/05365471.pdf [firstpage_image] =>[orig_patent_app_number] => 926871 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/926871
Divider for performing signed division using a redundant signed digit Aug 6, 1992 Issued
07/924354 DEVICE AND METHOD FOR EVALUATING INVERSE TRIGONOMETRIC FUNCTIONS Jul 30, 1992 Abandoned
Array ( [id] => 3032047 [patent_doc_number] => 05289400 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-02-22 [patent_title] => 'Single-flux-quantum multiply-accumulator' [patent_app_type] => 1 [patent_app_number] => 7/922251 [patent_app_country] => US [patent_app_date] => 1992-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2208 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/289/05289400.pdf [firstpage_image] =>[orig_patent_app_number] => 922251 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/922251
Single-flux-quantum multiply-accumulator Jul 29, 1992 Issued
Array ( [id] => 3024286 [patent_doc_number] => 05309380 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-05-03 [patent_title] => 'Computer display for input and display of improper and mixed fractions' [patent_app_type] => 1 [patent_app_number] => 7/921022 [patent_app_country] => US [patent_app_date] => 1992-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 34 [patent_no_of_words] => 6669 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/309/05309380.pdf [firstpage_image] =>[orig_patent_app_number] => 921022 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/921022
Computer display for input and display of improper and mixed fractions Jul 28, 1992 Issued
07/917725 CHUNKY BINARY MULTIPLIER AND METHOD OF OPERATION Jul 19, 1992 Abandoned
Array ( [id] => 4060793 [patent_doc_number] => 05895479 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-04-20 [patent_title] => 'Prediction filter' [patent_app_type] => 1 [patent_app_number] => 7/907617 [patent_app_country] => US [patent_app_date] => 1992-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2113 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/895/05895479.pdf [firstpage_image] =>[orig_patent_app_number] => 907617 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/907617
Prediction filter Jul 1, 1992 Issued
Array ( [id] => 3107175 [patent_doc_number] => 05299145 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-29 [patent_title] => 'Adder for reducing carry processing' [patent_app_type] => 1 [patent_app_number] => 7/903331 [patent_app_country] => US [patent_app_date] => 1992-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 20 [patent_no_of_words] => 2995 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/299/05299145.pdf [firstpage_image] =>[orig_patent_app_number] => 903331 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/903331
Adder for reducing carry processing Jun 23, 1992 Issued
Array ( [id] => 3107777 [patent_doc_number] => 05319583 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-06-07 [patent_title] => 'Digital computer sliding-window minimum filter' [patent_app_type] => 1 [patent_app_number] => 7/902171 [patent_app_country] => US [patent_app_date] => 1992-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 3440 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 246 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/319/05319583.pdf [firstpage_image] =>[orig_patent_app_number] => 902171 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/902171
Digital computer sliding-window minimum filter Jun 21, 1992 Issued
Array ( [id] => 2987095 [patent_doc_number] => 05257214 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-10-26 [patent_title] => 'Qualification of register file write enables using self-timed floating point exception flags' [patent_app_type] => 1 [patent_app_number] => 7/899202 [patent_app_country] => US [patent_app_date] => 1992-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 4180 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/257/05257214.pdf [firstpage_image] =>[orig_patent_app_number] => 899202 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/899202
Qualification of register file write enables using self-timed floating point exception flags Jun 15, 1992 Issued
07/898393 DEVICE AND METHOD FOR EVALUATING LOGARITHMS Jun 10, 1992 Abandoned
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