Search

Wellington Chin

Supervisory Patent Examiner (ID: 8954, Phone: (571)272-3134 , Office: P/2600 )

Most Active Art Unit
2603
Art Unit(s)
2607, 2600, 2603, 2616, 2733, 2664
Total Applications
918
Issued Applications
839
Pending Applications
11
Abandoned Applications
67

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2638306 [patent_doc_number] => 04907221 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-03-06 [patent_title] => 'Apparatus for attenuating the echo signal in telephone fork circuits for telephone conference calls' [patent_app_type] => 1 [patent_app_number] => 7/192377 [patent_app_country] => US [patent_app_date] => 1988-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2867 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 270 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/907/04907221.pdf [firstpage_image] =>[orig_patent_app_number] => 192377 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/192377
Apparatus for attenuating the echo signal in telephone fork circuits for telephone conference calls May 9, 1988 Issued
Array ( [id] => 2678520 [patent_doc_number] => 04905228 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-02-27 [patent_title] => 'Digital transmission channel framing' [patent_app_type] => 1 [patent_app_number] => 7/219121 [patent_app_country] => US [patent_app_date] => 1988-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 23 [patent_no_of_words] => 11603 [patent_no_of_claims] => 39 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/905/04905228.pdf [firstpage_image] =>[orig_patent_app_number] => 219121 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/219121
Digital transmission channel framing May 8, 1988 Issued
Array ( [id] => 2678575 [patent_doc_number] => 04905231 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-02-27 [patent_title] => 'Multi-media virtual circuit' [patent_app_type] => 1 [patent_app_number] => 7/189851 [patent_app_country] => US [patent_app_date] => 1988-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 5235 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/905/04905231.pdf [firstpage_image] =>[orig_patent_app_number] => 189851 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/189851
Multi-media virtual circuit May 2, 1988 Issued
Array ( [id] => 2689153 [patent_doc_number] => 05005168 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-04-02 [patent_title] => 'Multirate wire line modem apparatus' [patent_app_type] => 1 [patent_app_number] => 7/189497 [patent_app_country] => US [patent_app_date] => 1988-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 25 [patent_no_of_words] => 24984 [patent_no_of_claims] => 40 [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/05/005/05005168.pdf [firstpage_image] =>[orig_patent_app_number] => 189497 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/189497
Multirate wire line modem apparatus May 1, 1988 Issued
Array ( [id] => 2678484 [patent_doc_number] => 04905226 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-02-27 [patent_title] => 'Double-buffered time division switching system' [patent_app_type] => 1 [patent_app_number] => 7/187258 [patent_app_country] => US [patent_app_date] => 1988-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 16 [patent_no_of_words] => 5264 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/905/04905226.pdf [firstpage_image] =>[orig_patent_app_number] => 187258 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/187258
Double-buffered time division switching system Apr 27, 1988 Issued
Array ( [id] => 2531868 [patent_doc_number] => 04878219 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-10-31 [patent_title] => 'Method and apparatus for nodes in network to avoid shrinkage of an interframe gap' [patent_app_type] => 1 [patent_app_number] => 7/187208 [patent_app_country] => US [patent_app_date] => 1988-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 8544 [patent_no_of_claims] => 60 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 304 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/878/04878219.pdf [firstpage_image] =>[orig_patent_app_number] => 187208 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/187208
Method and apparatus for nodes in network to avoid shrinkage of an interframe gap Apr 27, 1988 Issued
Array ( [id] => 2595970 [patent_doc_number] => 04908825 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-03-13 [patent_title] => 'Memory organization and output sequencer for a signal processor' [patent_app_type] => 1 [patent_app_number] => 7/179269 [patent_app_country] => US [patent_app_date] => 1988-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 12468 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/908/04908825.pdf [firstpage_image] =>[orig_patent_app_number] => 179269 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/179269
Memory organization and output sequencer for a signal processor Apr 7, 1988 Issued
Array ( [id] => 2647837 [patent_doc_number] => 04914654 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-04-03 [patent_title] => 'Multiplex transmission system' [patent_app_type] => 1 [patent_app_number] => 7/177497 [patent_app_country] => US [patent_app_date] => 1988-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 25 [patent_no_of_words] => 7575 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/914/04914654.pdf [firstpage_image] =>[orig_patent_app_number] => 177497 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/177497
Multiplex transmission system Apr 3, 1988 Issued
Array ( [id] => 2640862 [patent_doc_number] => 04958341 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-18 [patent_title] => 'Integrated packetized voice and data switching system' [patent_app_type] => 1 [patent_app_number] => 7/175547 [patent_app_country] => US [patent_app_date] => 1988-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 25 [patent_no_of_words] => 38491 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/958/04958341.pdf [firstpage_image] =>[orig_patent_app_number] => 175547 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/175547
Integrated packetized voice and data switching system Mar 30, 1988 Issued
Array ( [id] => 2643938 [patent_doc_number] => 04893302 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-01-09 [patent_title] => 'Arrangement for switching concentrated telecommunications packet traffic' [patent_app_type] => 1 [patent_app_number] => 7/175698 [patent_app_country] => US [patent_app_date] => 1988-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 25 [patent_no_of_words] => 38820 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/893/04893302.pdf [firstpage_image] =>[orig_patent_app_number] => 175698 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/175698
Arrangement for switching concentrated telecommunications packet traffic Mar 30, 1988 Issued
Array ( [id] => 2644005 [patent_doc_number] => 04893305 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-01-09 [patent_title] => 'Inband dynamic port allocation' [patent_app_type] => 1 [patent_app_number] => 7/175871 [patent_app_country] => US [patent_app_date] => 1988-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4751 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/893/04893305.pdf [firstpage_image] =>[orig_patent_app_number] => 175871 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/175871
Inband dynamic port allocation Mar 30, 1988 Issued
Array ( [id] => 2525360 [patent_doc_number] => 04875206 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-10-17 [patent_title] => 'High bandwidth interleaved buffer memory and control' [patent_app_type] => 1 [patent_app_number] => 7/175541 [patent_app_country] => US [patent_app_date] => 1988-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 25 [patent_no_of_words] => 38990 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/875/04875206.pdf [firstpage_image] =>[orig_patent_app_number] => 175541 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/175541
High bandwidth interleaved buffer memory and control Mar 30, 1988 Issued
Array ( [id] => 2499852 [patent_doc_number] => 04829518 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-05-09 [patent_title] => 'Multiplexing apparatus having BSI-code processing and bit interleave functions' [patent_app_type] => 1 [patent_app_number] => 7/173540 [patent_app_country] => US [patent_app_date] => 1988-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 3578 [patent_no_of_claims] => 20 [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/04/829/04829518.pdf [firstpage_image] =>[orig_patent_app_number] => 173540 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/173540
Multiplexing apparatus having BSI-code processing and bit interleave functions Mar 24, 1988 Issued
Array ( [id] => 2565873 [patent_doc_number] => 04815069 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-03-21 [patent_title] => 'Data communication network system and reconfiguration control method' [patent_app_type] => 1 [patent_app_number] => 7/171698 [patent_app_country] => US [patent_app_date] => 1988-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 21 [patent_no_of_words] => 8822 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/815/04815069.pdf [firstpage_image] =>[orig_patent_app_number] => 171698 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/171698
Data communication network system and reconfiguration control method Mar 21, 1988 Issued
Array ( [id] => 2612916 [patent_doc_number] => 04932027 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-06-05 [patent_title] => 'Single-level multiplexer' [patent_app_type] => 1 [patent_app_number] => 7/171617 [patent_app_country] => US [patent_app_date] => 1988-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2542 [patent_no_of_claims] => 18 [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/04/932/04932027.pdf [firstpage_image] =>[orig_patent_app_number] => 171617 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/171617
Single-level multiplexer Mar 21, 1988 Issued
Array ( [id] => 2754005 [patent_doc_number] => 05029163 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-02 [patent_title] => 'Synchronous protocol data formatter' [patent_app_type] => 1 [patent_app_number] => 7/169687 [patent_app_country] => US [patent_app_date] => 1988-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 2194 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/029/05029163.pdf [firstpage_image] =>[orig_patent_app_number] => 169687 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/169687
Synchronous protocol data formatter Mar 17, 1988 Issued
Array ( [id] => 2482429 [patent_doc_number] => 04887265 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-12-12 [patent_title] => 'Packet-switched cellular telephone system' [patent_app_type] => 1 [patent_app_number] => 7/170960 [patent_app_country] => US [patent_app_date] => 1988-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 7128 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/887/04887265.pdf [firstpage_image] =>[orig_patent_app_number] => 170960 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/170960
Packet-switched cellular telephone system Mar 17, 1988 Issued
Array ( [id] => 2531455 [patent_doc_number] => 04881223 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-11-14 [patent_title] => 'Asynchronous time division communication system' [patent_app_type] => 1 [patent_app_number] => 7/169867 [patent_app_country] => US [patent_app_date] => 1988-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2192 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/881/04881223.pdf [firstpage_image] =>[orig_patent_app_number] => 169867 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/169867
Asynchronous time division communication system Mar 16, 1988 Issued
Array ( [id] => 2521974 [patent_doc_number] => 04841524 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-06-20 [patent_title] => 'Digital data multiple conversion system for converting data having a frequency to data having another frequency by a digital stuffing method' [patent_app_type] => 1 [patent_app_number] => 7/169217 [patent_app_country] => US [patent_app_date] => 1988-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 61 [patent_no_of_words] => 4113 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 336 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/841/04841524.pdf [firstpage_image] =>[orig_patent_app_number] => 169217 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/169217
Digital data multiple conversion system for converting data having a frequency to data having another frequency by a digital stuffing method Mar 15, 1988 Issued
Array ( [id] => 2482375 [patent_doc_number] => 04887262 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-12-12 [patent_title] => 'Single-channel bus system for multi-master use with bit cell synchronization, and master station comprising a bit cell synchronization element suitable for this purpose' [patent_app_type] => 1 [patent_app_number] => 7/168191 [patent_app_country] => US [patent_app_date] => 1988-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3766 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/887/04887262.pdf [firstpage_image] =>[orig_patent_app_number] => 168191 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/168191
Single-channel bus system for multi-master use with bit cell synchronization, and master station comprising a bit cell synchronization element suitable for this purpose Mar 14, 1988 Issued
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