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] => 2021400 [patent_doc_number] => 04403298 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-09-06 [patent_title] => 'Adaptive techniques for automatic frequency determination and measurement' [patent_app_type] => 1 [patent_app_number] => 6/273611 [patent_app_country] => US [patent_app_date] => 1981-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 6828 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/403/04403298.pdf [firstpage_image] =>[orig_patent_app_number] => 273611 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/273611
Adaptive techniques for automatic frequency determination and measurement Jun 14, 1981 Issued
Array ( [id] => 2063774 [patent_doc_number] => 04409666 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-10-11 [patent_title] => 'Electronic desk-top calculator with indication function of stored data range' [patent_app_type] => 1 [patent_app_number] => 6/271905 [patent_app_country] => US [patent_app_date] => 1981-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 12 [patent_no_of_words] => 5650 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/409/04409666.pdf [firstpage_image] =>[orig_patent_app_number] => 271905 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/271905
Electronic desk-top calculator with indication function of stored data range Jun 8, 1981 Issued
Array ( [id] => 2060900 [patent_doc_number] => 04455654 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-06-19 [patent_title] => 'Test apparatus for electronic assemblies employing a microprocessor' [patent_app_type] => 1 [patent_app_number] => 6/270926 [patent_app_country] => US [patent_app_date] => 1981-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 22271 [patent_no_of_claims] => 56 [patent_no_of_ind_claims] => 11 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/455/04455654.pdf [firstpage_image] =>[orig_patent_app_number] => 270926 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/270926
Test apparatus for electronic assemblies employing a microprocessor Jun 4, 1981 Issued
06/270447 SIGNAL PROCESSOR COMPUTING ARRANGEMENT AND METHOD OF OPERATING THE COMPUTING ARRANGEMENT Jun 3, 1981 Abandoned
06/267072 COMPARISON TEST CIRCUIT FOR ESTABLISHING SMALLEST RELIABLE ACCESS TIME PERIOD FOR A MEMORY UNDER TEST May 25, 1981 Abandoned
Array ( [id] => 2036859 [patent_doc_number] => 04423509 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-12-27 [patent_title] => 'Method of testing a logic system and a logic system for putting the method into practice' [patent_app_type] => 1 [patent_app_number] => 6/267347 [patent_app_country] => US [patent_app_date] => 1981-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6450 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/423/04423509.pdf [firstpage_image] =>[orig_patent_app_number] => 267347 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/267347
Method of testing a logic system and a logic system for putting the method into practice May 25, 1981 Issued
Array ( [id] => 2079520 [patent_doc_number] => 04460970 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-07-17 [patent_title] => 'Digital data processing system using unique techniques for handling the leading digits and the signs of operands in arithmetic operations' [patent_app_type] => 1 [patent_app_number] => 6/266528 [patent_app_country] => US [patent_app_date] => 1981-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1163 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 437 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/460/04460970.pdf [firstpage_image] =>[orig_patent_app_number] => 266528 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/266528
Digital data processing system using unique techniques for handling the leading digits and the signs of operands in arithmetic operations May 21, 1981 Issued
Array ( [id] => 2014973 [patent_doc_number] => 04371270 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-02-01 [patent_title] => 'Block signal forming digital processor with error correction' [patent_app_type] => 1 [patent_app_number] => 6/266611 [patent_app_country] => US [patent_app_date] => 1981-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 7334 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 382 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/371/04371270.pdf [firstpage_image] =>[orig_patent_app_number] => 266611 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/266611
Block signal forming digital processor with error correction May 21, 1981 Issued
Array ( [id] => 2028927 [patent_doc_number] => 04420815 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-12-13 [patent_title] => 'Apparatus and method for removal of sinusoidal noise from a sampled signal' [patent_app_type] => 1 [patent_app_number] => 6/264510 [patent_app_country] => US [patent_app_date] => 1981-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 4339 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/420/04420815.pdf [firstpage_image] =>[orig_patent_app_number] => 264510 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/264510
Apparatus and method for removal of sinusoidal noise from a sampled signal May 17, 1981 Issued
Array ( [id] => 2065554 [patent_doc_number] => 04428060 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-01-24 [patent_title] => 'Shift register latch circuit means for check and test purposes and contained in LSI circuitry conforming to level sensitive scan design (LSSD) rules and techniques' [patent_app_type] => 1 [patent_app_number] => 6/264896 [patent_app_country] => US [patent_app_date] => 1981-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 4943 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/428/04428060.pdf [firstpage_image] =>[orig_patent_app_number] => 264896 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/264896
Shift register latch circuit means for check and test purposes and contained in LSI circuitry conforming to level sensitive scan design (LSSD) rules and techniques May 17, 1981 Issued
Array ( [id] => 2056646 [patent_doc_number] => 04417313 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-11-22 [patent_title] => 'Method for optimizing the design of a finite noise barrier' [patent_app_type] => 1 [patent_app_number] => 6/264483 [patent_app_country] => US [patent_app_date] => 1981-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 2788 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 249 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/417/04417313.pdf [firstpage_image] =>[orig_patent_app_number] => 264483 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/264483
Method for optimizing the design of a finite noise barrier May 17, 1981 Issued
Array ( [id] => 2089976 [patent_doc_number] => 04438503 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-03-20 [patent_title] => 'Waveform synthesizers' [patent_app_type] => 1 [patent_app_number] => 6/263202 [patent_app_country] => US [patent_app_date] => 1981-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 1645 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/438/04438503.pdf [firstpage_image] =>[orig_patent_app_number] => 263202 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/263202
Waveform synthesizers May 12, 1981 Issued
06/259817 VOICE DATA OUTPUT APPARATUS May 3, 1981 Abandoned
06/258949 VOICE DATA OUTPUT APPARATUS Apr 29, 1981 Abandoned
Array ( [id] => 2092571 [patent_doc_number] => 04424566 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-01-03 [patent_title] => 'Data processing apparatus with voice output' [patent_app_type] => 1 [patent_app_number] => 6/258948 [patent_app_country] => US [patent_app_date] => 1981-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 4658 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/424/04424566.pdf [firstpage_image] =>[orig_patent_app_number] => 258948 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/258948
Data processing apparatus with voice output Apr 29, 1981 Issued
Array ( [id] => 2061151 [patent_doc_number] => 04393453 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-07-12 [patent_title] => 'Region information processing system' [patent_app_type] => 1 [patent_app_number] => 6/258276 [patent_app_country] => US [patent_app_date] => 1981-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 16 [patent_no_of_words] => 13871 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 234 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/393/04393453.pdf [firstpage_image] =>[orig_patent_app_number] => 258276 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/258276
Region information processing system Apr 27, 1981 Issued
Array ( [id] => 2035027 [patent_doc_number] => 04396993 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-08-02 [patent_title] => 'Control circuit for a printing head of a metal paper printer with electrodes arranged on a slope' [patent_app_type] => 1 [patent_app_number] => 6/257294 [patent_app_country] => US [patent_app_date] => 1981-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 5779 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/396/04396993.pdf [firstpage_image] =>[orig_patent_app_number] => 257294 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/257294
Control circuit for a printing head of a metal paper printer with electrodes arranged on a slope Apr 23, 1981 Issued
Array ( [id] => 2104571 [patent_doc_number] => 04429370 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-01-31 [patent_title] => 'Arithmetic unit for use in a data processing system for computing exponent results and detecting overflow and underflow conditions thereof' [patent_app_type] => 1 [patent_app_number] => 6/256923 [patent_app_country] => US [patent_app_date] => 1981-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 4543 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/429/04429370.pdf [firstpage_image] =>[orig_patent_app_number] => 256923 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/256923
Arithmetic unit for use in a data processing system for computing exponent results and detecting overflow and underflow conditions thereof Apr 22, 1981 Issued
Array ( [id] => 2038832 [patent_doc_number] => 04385363 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-05-24 [patent_title] => 'Discrete cosine transformer' [patent_app_type] => 1 [patent_app_number] => 6/255800 [patent_app_country] => US [patent_app_date] => 1981-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1779 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/385/04385363.pdf [firstpage_image] =>[orig_patent_app_number] => 255800 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/255800
Discrete cosine transformer Apr 19, 1981 Issued
Array ( [id] => 2041843 [patent_doc_number] => 04414642 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-11-08 [patent_title] => 'Apparatus for generating the inverse of binary numbers' [patent_app_type] => 1 [patent_app_number] => 6/252278 [patent_app_country] => US [patent_app_date] => 1981-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3082 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 254 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/414/04414642.pdf [firstpage_image] =>[orig_patent_app_number] => 252278 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/252278
Apparatus for generating the inverse of binary numbers Apr 8, 1981 Issued
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