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] => 3597991 [patent_doc_number] => 05497341 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-03-05 [patent_title] => 'Sign-extension of immediate constants in an ALU using an adder in an integer logic unit' [patent_app_type] => 1 [patent_app_number] => 8/444814 [patent_app_country] => US [patent_app_date] => 1995-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 7004 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 282 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/497/05497341.pdf [firstpage_image] =>[orig_patent_app_number] => 444814 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/444814
Sign-extension of immediate constants in an ALU using an adder in an integer logic unit May 17, 1995 Issued
08/436981 SERIAL CONTROLLER May 7, 1995 Abandoned
Array ( [id] => 3562392 [patent_doc_number] => 05493524 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-02-20 [patent_title] => 'Three input arithmetic logic unit employing carry propagate logic' [patent_app_type] => 1 [patent_app_number] => 8/426992 [patent_app_country] => US [patent_app_date] => 1995-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 37 [patent_figures_cnt] => 70 [patent_no_of_words] => 99348 [patent_no_of_claims] => 86 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 247 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/493/05493524.pdf [firstpage_image] =>[orig_patent_app_number] => 426992 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/426992
Three input arithmetic logic unit employing carry propagate logic Apr 23, 1995 Issued
Array ( [id] => 3669829 [patent_doc_number] => 05648924 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-07-15 [patent_title] => 'Method and apparatus for finding arctangents' [patent_app_type] => 1 [patent_app_number] => 8/424033 [patent_app_country] => US [patent_app_date] => 1995-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 10200 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/648/05648924.pdf [firstpage_image] =>[orig_patent_app_number] => 424033 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/424033
Method and apparatus for finding arctangents Apr 17, 1995 Issued
Array ( [id] => 3704950 [patent_doc_number] => 05619443 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-04-08 [patent_title] => 'Carry select and input select adder for late arriving data' [patent_app_type] => 1 [patent_app_number] => 8/414062 [patent_app_country] => US [patent_app_date] => 1995-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3127 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/619/05619443.pdf [firstpage_image] =>[orig_patent_app_number] => 414062 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/414062
Carry select and input select adder for late arriving data Mar 30, 1995 Issued
Array ( [id] => 3597600 [patent_doc_number] => 05550764 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-08-27 [patent_title] => 'Image filtering with an efficient implementation of high order decimation digital filters' [patent_app_type] => 1 [patent_app_number] => 8/413895 [patent_app_country] => US [patent_app_date] => 1995-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 1680 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/550/05550764.pdf [firstpage_image] =>[orig_patent_app_number] => 413895 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/413895
Image filtering with an efficient implementation of high order decimation digital filters Mar 29, 1995 Issued
Array ( [id] => 3672216 [patent_doc_number] => 05625582 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-04-29 [patent_title] => 'Apparatus and method for optimizing address calculations' [patent_app_type] => 1 [patent_app_number] => 8/409502 [patent_app_country] => US [patent_app_date] => 1995-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3631 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/625/05625582.pdf [firstpage_image] =>[orig_patent_app_number] => 409502 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/409502
Apparatus and method for optimizing address calculations Mar 22, 1995 Issued
Array ( [id] => 3844199 [patent_doc_number] => 05761103 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-06-02 [patent_title] => 'Left and right justification of single precision mantissa in a double precision rounding unit' [patent_app_type] => 1 [patent_app_number] => 8/399083 [patent_app_country] => US [patent_app_date] => 1995-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 36 [patent_no_of_words] => 17269 [patent_no_of_claims] => 6 [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/05/761/05761103.pdf [firstpage_image] =>[orig_patent_app_number] => 399083 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/399083
Left and right justification of single precision mantissa in a double precision rounding unit Mar 7, 1995 Issued
Array ( [id] => 3733304 [patent_doc_number] => 05701262 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-12-23 [patent_title] => 'Tab coefficient updating device of finite impulse-responding adaptive digital filter' [patent_app_type] => 1 [patent_app_number] => 8/399413 [patent_app_country] => US [patent_app_date] => 1995-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4667 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/701/05701262.pdf [firstpage_image] =>[orig_patent_app_number] => 399413 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/399413
Tab coefficient updating device of finite impulse-responding adaptive digital filter Mar 6, 1995 Issued
Array ( [id] => 3697473 [patent_doc_number] => 05644521 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-07-01 [patent_title] => 'Comparator scheme' [patent_app_type] => 1 [patent_app_number] => 8/399261 [patent_app_country] => US [patent_app_date] => 1995-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1282 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 269 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/644/05644521.pdf [firstpage_image] =>[orig_patent_app_number] => 399261 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/399261
Comparator scheme Mar 5, 1995 Issued
Array ( [id] => 3634950 [patent_doc_number] => 05608663 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-03-04 [patent_title] => 'Computational array circuit for providing parallel multiplication' [patent_app_type] => 1 [patent_app_number] => 8/398273 [patent_app_country] => US [patent_app_date] => 1995-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3085 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/608/05608663.pdf [firstpage_image] =>[orig_patent_app_number] => 398273 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/398273
Computational array circuit for providing parallel multiplication Mar 2, 1995 Issued
Array ( [id] => 3669815 [patent_doc_number] => 05648923 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-07-15 [patent_title] => 'Nyquist filter for use in a joint VSB/QAM demodulator' [patent_app_type] => 1 [patent_app_number] => 8/397441 [patent_app_country] => US [patent_app_date] => 1995-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 4943 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/648/05648923.pdf [firstpage_image] =>[orig_patent_app_number] => 397441 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/397441
Nyquist filter for use in a joint VSB/QAM demodulator Mar 1, 1995 Issued
Array ( [id] => 3669855 [patent_doc_number] => 05648925 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-07-15 [patent_title] => 'Optimized operand formatting same' [patent_app_type] => 1 [patent_app_number] => 8/395564 [patent_app_country] => US [patent_app_date] => 1995-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 3963 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/648/05648925.pdf [firstpage_image] =>[orig_patent_app_number] => 395564 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/395564
Optimized operand formatting same Feb 27, 1995 Issued
Array ( [id] => 3712369 [patent_doc_number] => 05646875 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-07-08 [patent_title] => 'Denormalization system and method of operation' [patent_app_type] => 1 [patent_app_number] => 8/394854 [patent_app_country] => US [patent_app_date] => 1995-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3653 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/646/05646875.pdf [firstpage_image] =>[orig_patent_app_number] => 394854 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/394854
Denormalization system and method of operation Feb 26, 1995 Issued
Array ( [id] => 3520689 [patent_doc_number] => 05563814 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-10-08 [patent_title] => 'Reduced circuitry implementation for coverting two equal values to non-equal values' [patent_app_type] => 1 [patent_app_number] => 8/391794 [patent_app_country] => US [patent_app_date] => 1995-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2982 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/563/05563814.pdf [firstpage_image] =>[orig_patent_app_number] => 391794 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/391794
Reduced circuitry implementation for coverting two equal values to non-equal values Feb 20, 1995 Issued
Array ( [id] => 3891692 [patent_doc_number] => 05805474 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-08 [patent_title] => 'Portable work station type-data collection system having an improved handgrip and an optical reader to be directed thereby' [patent_app_type] => 1 [patent_app_number] => 8/389830 [patent_app_country] => US [patent_app_date] => 1995-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 33 [patent_no_of_words] => 18955 [patent_no_of_claims] => 188 [patent_no_of_ind_claims] => 18 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/805/05805474.pdf [firstpage_image] =>[orig_patent_app_number] => 389830 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/389830
Portable work station type-data collection system having an improved handgrip and an optical reader to be directed thereby Feb 15, 1995 Issued
Array ( [id] => 4293672 [patent_doc_number] => 06324558 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-11-27 [patent_title] => 'Random number generator and generation method' [patent_app_type] => 1 [patent_app_number] => 8/388631 [patent_app_country] => US [patent_app_date] => 1995-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 21 [patent_no_of_words] => 18326 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/324/06324558.pdf [firstpage_image] =>[orig_patent_app_number] => 388631 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/388631
Random number generator and generation method Feb 13, 1995 Issued
Array ( [id] => 3560525 [patent_doc_number] => 05572453 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-11-05 [patent_title] => 'Pipeline signal processor' [patent_app_type] => 1 [patent_app_number] => 8/387241 [patent_app_country] => US [patent_app_date] => 1995-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 8090 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/572/05572453.pdf [firstpage_image] =>[orig_patent_app_number] => 387241 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/387241
Pipeline signal processor Feb 12, 1995 Issued
Array ( [id] => 3608450 [patent_doc_number] => 05559730 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-09-24 [patent_title] => 'Shift operation unit and shift operation method' [patent_app_type] => 1 [patent_app_number] => 8/386732 [patent_app_country] => US [patent_app_date] => 1995-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 6951 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/559/05559730.pdf [firstpage_image] =>[orig_patent_app_number] => 386732 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/386732
Shift operation unit and shift operation method Feb 9, 1995 Issued
08/385622 CIRCUITRY FOR REDUCING POWER CONSUMPTION WITHIN AN ELECTRONIC CIRCUIT Feb 8, 1995 Abandoned
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