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] => 2889803 [patent_doc_number] => 05109354 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-04-28 [patent_title] => 'Electronic system pocketbook apparatus' [patent_app_type] => 1 [patent_app_number] => 7/502563 [patent_app_country] => US [patent_app_date] => 1990-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 70 [patent_no_of_words] => 8602 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/109/05109354.pdf [firstpage_image] =>[orig_patent_app_number] => 502563 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/502563
Electronic system pocketbook apparatus Mar 29, 1990 Issued
Array ( [id] => 2831954 [patent_doc_number] => 05095456 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-10 [patent_title] => 'Method for densely packing a complex multiplier' [patent_app_type] => 1 [patent_app_number] => 7/498312 [patent_app_country] => US [patent_app_date] => 1990-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 17 [patent_no_of_words] => 7607 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 332 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/095/05095456.pdf [firstpage_image] =>[orig_patent_app_number] => 498312 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/498312
Method for densely packing a complex multiplier Mar 22, 1990 Issued
Array ( [id] => 2679685 [patent_doc_number] => 05047972 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-09-10 [patent_title] => 'Digital signal processor with memory having data shift function' [patent_app_type] => 1 [patent_app_number] => 7/498332 [patent_app_country] => US [patent_app_date] => 1990-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 42 [patent_no_of_words] => 10349 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/047/05047972.pdf [firstpage_image] =>[orig_patent_app_number] => 498332 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/498332
Digital signal processor with memory having data shift function Mar 22, 1990 Issued
Array ( [id] => 2754490 [patent_doc_number] => 05023824 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-06-11 [patent_title] => 'Hand-held computerized data collection terminal with indented hand grip and conforming battery drawer' [patent_app_type] => 1 [patent_app_number] => 7/478591 [patent_app_country] => US [patent_app_date] => 1990-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 24 [patent_no_of_words] => 10301 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 252 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/023/05023824.pdf [firstpage_image] =>[orig_patent_app_number] => 478591 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/478591
Hand-held computerized data collection terminal with indented hand grip and conforming battery drawer Feb 8, 1990 Issued
Array ( [id] => 2676676 [patent_doc_number] => 05070471 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-03 [patent_title] => 'High speed multiplier which divides multiplying factor into parts and adds partial end products' [patent_app_type] => 1 [patent_app_number] => 7/478283 [patent_app_country] => US [patent_app_date] => 1990-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 16 [patent_no_of_words] => 4850 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 298 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/070/05070471.pdf [firstpage_image] =>[orig_patent_app_number] => 478283 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/478283
High speed multiplier which divides multiplying factor into parts and adds partial end products Feb 8, 1990 Issued
Array ( [id] => 2859252 [patent_doc_number] => 05105377 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-04-14 [patent_title] => 'Digital virtual earth active cancellation system' [patent_app_type] => 1 [patent_app_number] => 7/477432 [patent_app_country] => US [patent_app_date] => 1990-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3703 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/105/05105377.pdf [firstpage_image] =>[orig_patent_app_number] => 477432 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/477432
Digital virtual earth active cancellation system Feb 8, 1990 Issued
07/476301 TPC COMPUTERS Feb 6, 1990 Abandoned
Array ( [id] => 2847344 [patent_doc_number] => 05121352 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-09 [patent_title] => 'Multiplier-accumulator circuit array operable in multiple modes' [patent_app_type] => 1 [patent_app_number] => 7/478122 [patent_app_country] => US [patent_app_date] => 1990-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 36 [patent_figures_cnt] => 71 [patent_no_of_words] => 3547 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 475 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/121/05121352.pdf [firstpage_image] =>[orig_patent_app_number] => 478122 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/478122
Multiplier-accumulator circuit array operable in multiple modes Feb 5, 1990 Issued
Array ( [id] => 2831972 [patent_doc_number] => 05095457 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-10 [patent_title] => 'Digital multiplier employing CMOS transistors' [patent_app_type] => 1 [patent_app_number] => 7/473633 [patent_app_country] => US [patent_app_date] => 1990-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2759 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/095/05095457.pdf [firstpage_image] =>[orig_patent_app_number] => 473633 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/473633
Digital multiplier employing CMOS transistors Jan 31, 1990 Issued
Array ( [id] => 2776274 [patent_doc_number] => 05036483 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-30 [patent_title] => 'Binary adding apparatus' [patent_app_type] => 1 [patent_app_number] => 7/471473 [patent_app_country] => US [patent_app_date] => 1990-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 4907 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 326 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/036/05036483.pdf [firstpage_image] =>[orig_patent_app_number] => 471473 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/471473
Binary adding apparatus Jan 28, 1990 Issued
Array ( [id] => 2840340 [patent_doc_number] => 05099447 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-24 [patent_title] => 'Blocked matrix multiplication for computers with hierarchical memory' [patent_app_type] => 1 [patent_app_number] => 7/467962 [patent_app_country] => US [patent_app_date] => 1990-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 28 [patent_no_of_words] => 7766 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/099/05099447.pdf [firstpage_image] =>[orig_patent_app_number] => 467962 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/467962
Blocked matrix multiplication for computers with hierarchical memory Jan 21, 1990 Issued
Array ( [id] => 2743357 [patent_doc_number] => 05077683 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-31 [patent_title] => 'Expansion slot adapter with embedded data device interface' [patent_app_type] => 1 [patent_app_number] => 7/462751 [patent_app_country] => US [patent_app_date] => 1990-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2535 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/077/05077683.pdf [firstpage_image] =>[orig_patent_app_number] => 462751 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/462751
Expansion slot adapter with embedded data device interface Jan 9, 1990 Issued
Array ( [id] => 2877540 [patent_doc_number] => 05097436 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-17 [patent_title] => 'High performance adder using carry predictions' [patent_app_type] => 1 [patent_app_number] => 7/462731 [patent_app_country] => US [patent_app_date] => 1990-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 6140 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/097/05097436.pdf [firstpage_image] =>[orig_patent_app_number] => 462731 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/462731
High performance adder using carry predictions Jan 8, 1990 Issued
Array ( [id] => 2719306 [patent_doc_number] => 05018093 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-05-21 [patent_title] => 'High performance self-checking adder having small circuit area' [patent_app_type] => 1 [patent_app_number] => 7/459872 [patent_app_country] => US [patent_app_date] => 1990-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 2389 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/018/05018093.pdf [firstpage_image] =>[orig_patent_app_number] => 459872 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/459872
High performance self-checking adder having small circuit area Jan 1, 1990 Issued
07/453179 PORTABLE COMPUTER WITH LARGE SCREEN DISPLAY TOUCH TYPE COMPUTER KEYBOARDS Dec 25, 1989 Abandoned
Array ( [id] => 2742139 [patent_doc_number] => 05040137 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-08-13 [patent_title] => 'Random access FIR filtering' [patent_app_type] => 1 [patent_app_number] => 7/449791 [patent_app_country] => US [patent_app_date] => 1989-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2803 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/040/05040137.pdf [firstpage_image] =>[orig_patent_app_number] => 449791 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/449791
Random access FIR filtering Dec 12, 1989 Issued
07/450070 COMPREHENSIVE COMPUTER DATA AND CONTROL ENTRIES FROM VERY FEW KEYS OPERABLE IN A FAST TOUCH TYPING MODE Dec 12, 1989 Abandoned
Array ( [id] => 2718748 [patent_doc_number] => 05041998 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-08-20 [patent_title] => 'Digital video mixer' [patent_app_type] => 1 [patent_app_number] => 7/444582 [patent_app_country] => US [patent_app_date] => 1989-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 5 [patent_no_of_words] => 1244 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/041/05041998.pdf [firstpage_image] =>[orig_patent_app_number] => 444582 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/444582
Digital video mixer Nov 29, 1989 Issued
Array ( [id] => 2731281 [patent_doc_number] => 05025404 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-06-18 [patent_title] => 'Method of correcting erroneous values of samples of an equidistantly sampled signal and device for carrying out the method' [patent_app_type] => 1 [patent_app_number] => 7/442495 [patent_app_country] => US [patent_app_date] => 1989-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 7616 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/025/05025404.pdf [firstpage_image] =>[orig_patent_app_number] => 442495 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/442495
Method of correcting erroneous values of samples of an equidistantly sampled signal and device for carrying out the method Nov 26, 1989 Issued
Array ( [id] => 2742267 [patent_doc_number] => 05033019 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-16 [patent_title] => 'Very-high-speed frequency-domain FFT windowing device' [patent_app_type] => 1 [patent_app_number] => 7/439901 [patent_app_country] => US [patent_app_date] => 1989-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 3748 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/033/05033019.pdf [firstpage_image] =>[orig_patent_app_number] => 439901 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/439901
Very-high-speed frequency-domain FFT windowing device Nov 20, 1989 Issued
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