Search

David J. Pearson

Examiner (ID: 759)

Most Active Art Unit
2438
Art Unit(s)
2437, 2438, 2407, 2137
Total Applications
947
Issued Applications
684
Pending Applications
77
Abandoned Applications
199

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2796702 [patent_doc_number] => 05165090 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-11-17 [patent_title] => 'Swing-type actuator' [patent_app_type] => 1 [patent_app_number] => 7/705068 [patent_app_country] => US [patent_app_date] => 1991-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 1853 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/165/05165090.pdf [firstpage_image] =>[orig_patent_app_number] => 705068 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/705068
Swing-type actuator May 22, 1991 Issued
07/701814 DISC PLAYER May 16, 1991 Abandoned
Array ( [id] => 2953992 [patent_doc_number] => 05255137 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-10-19 [patent_title] => 'Cooling system for recording/reproducing apparatus, with airflow restricted from read/write media section' [patent_app_type] => 1 [patent_app_number] => 7/695273 [patent_app_country] => US [patent_app_date] => 1991-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1703 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/255/05255137.pdf [firstpage_image] =>[orig_patent_app_number] => 695273 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/695273
Cooling system for recording/reproducing apparatus, with airflow restricted from read/write media section May 2, 1991 Issued
Array ( [id] => 2854515 [patent_doc_number] => 05138602 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-08-11 [patent_title] => 'Sound record playing apparatus having shock responsive weight member to actuate the same' [patent_app_type] => 1 [patent_app_number] => 7/692186 [patent_app_country] => US [patent_app_date] => 1991-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 3029 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/138/05138602.pdf [firstpage_image] =>[orig_patent_app_number] => 692186 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/692186
Sound record playing apparatus having shock responsive weight member to actuate the same Apr 25, 1991 Issued
Array ( [id] => 2830983 [patent_doc_number] => 05173889 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-12-22 [patent_title] => 'Multi-loaded disk drive arrangement' [patent_app_type] => 1 [patent_app_number] => 7/692394 [patent_app_country] => US [patent_app_date] => 1991-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 21 [patent_no_of_words] => 6520 [patent_no_of_claims] => 7 [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/05/173/05173889.pdf [firstpage_image] =>[orig_patent_app_number] => 692394 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/692394
Multi-loaded disk drive arrangement Apr 24, 1991 Issued
Array ( [id] => 2922647 [patent_doc_number] => 05228016 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-07-13 [patent_title] => 'Disc player with two disc storage magazines' [patent_app_type] => 1 [patent_app_number] => 7/684886 [patent_app_country] => US [patent_app_date] => 1991-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 6339 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 297 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/228/05228016.pdf [firstpage_image] =>[orig_patent_app_number] => 684886 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/684886
Disc player with two disc storage magazines Apr 10, 1991 Issued
Array ( [id] => 2793731 [patent_doc_number] => 05164936 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-11-17 [patent_title] => 'Optical pickup system with vibration protection' [patent_app_type] => 1 [patent_app_number] => 7/669795 [patent_app_country] => US [patent_app_date] => 1991-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 2315 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/164/05164936.pdf [firstpage_image] =>[orig_patent_app_number] => 669795 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/669795
Optical pickup system with vibration protection Mar 14, 1991 Issued
Array ( [id] => 3047716 [patent_doc_number] => 05301178 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-04-05 [patent_title] => 'Drive unit for optical memory device with portion of drive means mounted outside a sealing means' [patent_app_type] => 1 [patent_app_number] => 7/657690 [patent_app_country] => US [patent_app_date] => 1991-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 51 [patent_no_of_words] => 13027 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 278 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/301/05301178.pdf [firstpage_image] =>[orig_patent_app_number] => 657690 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/657690
Drive unit for optical memory device with portion of drive means mounted outside a sealing means Feb 18, 1991 Issued
Array ( [id] => 2793561 [patent_doc_number] => 05164927 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-11-17 [patent_title] => 'Compact record player having downwardly extending notched rib and multiple selection levers' [patent_app_type] => 1 [patent_app_number] => 7/655655 [patent_app_country] => US [patent_app_date] => 1991-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 3451 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 374 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/164/05164927.pdf [firstpage_image] =>[orig_patent_app_number] => 655655 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/655655
Compact record player having downwardly extending notched rib and multiple selection levers Feb 13, 1991 Issued
Array ( [id] => 2903014 [patent_doc_number] => 05210739 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-11 [patent_title] => 'Carriage lock apparatus' [patent_app_type] => 1 [patent_app_number] => 7/653925 [patent_app_country] => US [patent_app_date] => 1991-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 2347 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/210/05210739.pdf [firstpage_image] =>[orig_patent_app_number] => 653925 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/653925
Carriage lock apparatus Feb 11, 1991 Issued
Array ( [id] => 2964130 [patent_doc_number] => 05231605 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-07-27 [patent_title] => 'DRAM compressed data test mode with expected data' [patent_app_type] => 1 [patent_app_number] => 7/648575 [patent_app_country] => US [patent_app_date] => 1991-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 2383 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/231/05231605.pdf [firstpage_image] =>[orig_patent_app_number] => 648575 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/648575
DRAM compressed data test mode with expected data Jan 30, 1991 Issued
07/648299 SEMICONDUCTOR MEMORY DEVICE INCLUDING NONVOLATILE MEMORY CELLS, ENHANCEMENT TYPE LOAD TRANSISTORS, AND PERIPHERAL CIRCUITS HAVING ENHANCEMENT TYPE TRANSISTORS Jan 30, 1991 Abandoned
07/648105 SKEWED REFERENCE TO IMPROVE ONES AND ZEROS IN EPROM ARRAYS Jan 30, 1991 Abandoned
Array ( [id] => 2983963 [patent_doc_number] => 05195077 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-16 [patent_title] => 'Disc loading mechanism for large and small disks' [patent_app_type] => 1 [patent_app_number] => 7/648579 [patent_app_country] => US [patent_app_date] => 1991-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 29 [patent_no_of_words] => 7446 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 251 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/195/05195077.pdf [firstpage_image] =>[orig_patent_app_number] => 648579 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/648579
Disc loading mechanism for large and small disks Jan 29, 1991 Issued
Array ( [id] => 2912187 [patent_doc_number] => 05218598 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-08 [patent_title] => 'Disc driving apparatus with magnetic means for preventing axial movement' [patent_app_type] => 1 [patent_app_number] => 7/661483 [patent_app_country] => US [patent_app_date] => 1991-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1839 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/218/05218598.pdf [firstpage_image] =>[orig_patent_app_number] => 661483 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/661483
Disc driving apparatus with magnetic means for preventing axial movement Jan 28, 1991 Issued
Array ( [id] => 3020861 [patent_doc_number] => 05276668 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-01-04 [patent_title] => 'Compact disk selecting mechanism including mechanical and optical detection' [patent_app_type] => 1 [patent_app_number] => 7/645238 [patent_app_country] => US [patent_app_date] => 1991-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 38 [patent_no_of_words] => 4360 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/276/05276668.pdf [firstpage_image] =>[orig_patent_app_number] => 645238 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/645238
Compact disk selecting mechanism including mechanical and optical detection Jan 23, 1991 Issued
Array ( [id] => 2905158 [patent_doc_number] => 05241502 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-31 [patent_title] => 'Data output buffer circuit with precharged bootstrap circuit' [patent_app_type] => 1 [patent_app_number] => 7/643285 [patent_app_country] => US [patent_app_date] => 1991-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3501 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 316 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/241/05241502.pdf [firstpage_image] =>[orig_patent_app_number] => 643285 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/643285
Data output buffer circuit with precharged bootstrap circuit Jan 21, 1991 Issued
Array ( [id] => 2786102 [patent_doc_number] => 05132949 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-07-21 [patent_title] => 'Record medium searching apparatus for a recording/reproducing system' [patent_app_type] => 1 [patent_app_number] => 7/642873 [patent_app_country] => US [patent_app_date] => 1991-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2486 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/132/05132949.pdf [firstpage_image] =>[orig_patent_app_number] => 642873 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/642873
Record medium searching apparatus for a recording/reproducing system Jan 17, 1991 Issued
Array ( [id] => 2932368 [patent_doc_number] => 05235591 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-10 [patent_title] => 'Stack type optical disc apparatus, sealed and separate type optical head therefor and optical disc medium' [patent_app_type] => 1 [patent_app_number] => 7/641309 [patent_app_country] => US [patent_app_date] => 1991-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 17 [patent_no_of_words] => 9517 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/235/05235591.pdf [firstpage_image] =>[orig_patent_app_number] => 641309 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/641309
Stack type optical disc apparatus, sealed and separate type optical head therefor and optical disc medium Jan 14, 1991 Issued
Array ( [id] => 2989420 [patent_doc_number] => 05253196 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-10-12 [patent_title] => 'MOS analog memory with injection capacitors' [patent_app_type] => 1 [patent_app_number] => 7/639500 [patent_app_country] => US [patent_app_date] => 1991-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 3613 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 20 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/253/05253196.pdf [firstpage_image] =>[orig_patent_app_number] => 639500 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/639500
MOS analog memory with injection capacitors Jan 8, 1991 Issued
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