Search

Charles Nana Appiah

Supervisory Patent Examiner (ID: 16987, Phone: (571)272-7904 , Office: P/2641 )

Most Active Art Unit
2682
Art Unit(s)
2745, 2641, 2617, 2747, 2686, 2742, 2682
Total Applications
748
Issued Applications
534
Pending Applications
134
Abandoned Applications
92

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 3692602 [patent_doc_number] => 05633911 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-05-27 [patent_title] => 'Method and apparatus for reserving a telephone line in a telepoint communication system' [patent_app_type] => 1 [patent_app_number] => 8/376726 [patent_app_country] => US [patent_app_date] => 1995-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3218 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/633/05633911.pdf [firstpage_image] =>[orig_patent_app_number] => 376726 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/376726
Method and apparatus for reserving a telephone line in a telepoint communication system Jan 22, 1995 Issued
Array ( [id] => 3610534 [patent_doc_number] => 05559866 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-09-24 [patent_title] => 'Method of reuse through remote antenna and same channel cell division' [patent_app_type] => 1 [patent_app_number] => 8/376476 [patent_app_country] => US [patent_app_date] => 1995-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3458 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/559/05559866.pdf [firstpage_image] =>[orig_patent_app_number] => 376476 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/376476
Method of reuse through remote antenna and same channel cell division Jan 19, 1995 Issued
Array ( [id] => 3499134 [patent_doc_number] => 05475734 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-12-12 [patent_title] => 'Method and apparatus for sharing radio frequency spectrum in a radio frequency communication system' [patent_app_type] => 1 [patent_app_number] => 8/371668 [patent_app_country] => US [patent_app_date] => 1995-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 5358 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/475/05475734.pdf [firstpage_image] =>[orig_patent_app_number] => 371668 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/371668
Method and apparatus for sharing radio frequency spectrum in a radio frequency communication system Jan 11, 1995 Issued
Array ( [id] => 3675330 [patent_doc_number] => 05598458 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-01-28 [patent_title] => 'Telecommunication switching system having transparent wireless features' [patent_app_type] => 1 [patent_app_number] => 8/371652 [patent_app_country] => US [patent_app_date] => 1995-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 14 [patent_no_of_words] => 13610 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/598/05598458.pdf [firstpage_image] =>[orig_patent_app_number] => 371652 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/371652
Telecommunication switching system having transparent wireless features Jan 10, 1995 Issued
08/397680 USE OF A VCXO IN THE BASE UNIT OF A TWO-HANDSET CORDLESS TELEPHONE SYSTEM Jan 3, 1995 Abandoned
Array ( [id] => 3646257 [patent_doc_number] => 05610971 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-03-11 [patent_title] => 'Dual keypad telephone handset for mobile communications' [patent_app_type] => 1 [patent_app_number] => 8/359175 [patent_app_country] => US [patent_app_date] => 1994-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1331 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/610/05610971.pdf [firstpage_image] =>[orig_patent_app_number] => 359175 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/359175
Dual keypad telephone handset for mobile communications Dec 18, 1994 Issued
08/353586 TWO-HANDSET CORDLESS TELEPHONE SYSTEM Dec 7, 1994 Abandoned
08/346655 TECHNIQUE FOR USE IN PROCESSING TELEPHONE CALLS Nov 29, 1994 Abandoned
Array ( [id] => 3116136 [patent_doc_number] => 05448622 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-09-05 [patent_title] => 'Cellular telephone with plural telephone numbers' [patent_app_type] => 1 [patent_app_number] => 8/337130 [patent_app_country] => US [patent_app_date] => 1994-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1817 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/448/05448622.pdf [firstpage_image] =>[orig_patent_app_number] => 337130 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/337130
Cellular telephone with plural telephone numbers Nov 9, 1994 Issued
Array ( [id] => 3624825 [patent_doc_number] => 05535260 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-07-09 [patent_title] => 'Cellular radiotelephone with dialed number analysis' [patent_app_type] => 1 [patent_app_number] => 8/315014 [patent_app_country] => US [patent_app_date] => 1994-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 6542 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/535/05535260.pdf [firstpage_image] =>[orig_patent_app_number] => 315014 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/315014
Cellular radiotelephone with dialed number analysis Sep 28, 1994 Issued
Array ( [id] => 3917312 [patent_doc_number] => 05898758 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-04-27 [patent_title] => 'Combination cellular telephone and pager apparatus' [patent_app_type] => 1 [patent_app_number] => 8/312786 [patent_app_country] => US [patent_app_date] => 1994-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3491 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 335 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/898/05898758.pdf [firstpage_image] =>[orig_patent_app_number] => 312786 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/312786
Combination cellular telephone and pager apparatus Sep 25, 1994 Issued
Array ( [id] => 3600173 [patent_doc_number] => 05517555 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-05-14 [patent_title] => 'Real time information system for cellular telephones' [patent_app_type] => 1 [patent_app_number] => 8/310216 [patent_app_country] => US [patent_app_date] => 1994-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 18 [patent_no_of_words] => 6107 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/517/05517555.pdf [firstpage_image] =>[orig_patent_app_number] => 310216 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/310216
Real time information system for cellular telephones Sep 20, 1994 Issued
08/308521 CREDIT CARD OPERATED CELLULAR PHONE Sep 18, 1994 Abandoned
Array ( [id] => 3624797 [patent_doc_number] => 05535258 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-07-09 [patent_title] => 'Radio telephone interface apparatus for speed-dialing of telephone numbers' [patent_app_type] => 1 [patent_app_number] => 8/304638 [patent_app_country] => US [patent_app_date] => 1994-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 14 [patent_no_of_words] => 6358 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 245 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/535/05535258.pdf [firstpage_image] =>[orig_patent_app_number] => 304638 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/304638
Radio telephone interface apparatus for speed-dialing of telephone numbers Sep 11, 1994 Issued
Array ( [id] => 3574322 [patent_doc_number] => 05526406 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-06-11 [patent_title] => 'Calling party announcement apparatus' [patent_app_type] => 1 [patent_app_number] => 8/303534 [patent_app_country] => US [patent_app_date] => 1994-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5461 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 246 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/526/05526406.pdf [firstpage_image] =>[orig_patent_app_number] => 303534 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/303534
Calling party announcement apparatus Sep 8, 1994 Issued
08/301286 SYSTEM AND METHOD FOR REGISTERING WIRELESS TELEPHONES TO SELECTED WIRELINES OF THE PUBLIC-SWITCHED TELEPHONE NETWORK Sep 5, 1994 Abandoned
Array ( [id] => 3630983 [patent_doc_number] => 05642405 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-06-24 [patent_title] => 'Cellular communications system with centralized base stations and distributed antenna units' [patent_app_type] => 1 [patent_app_number] => 8/298652 [patent_app_country] => US [patent_app_date] => 1994-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 58 [patent_figures_cnt] => 64 [patent_no_of_words] => 20127 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 325 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/642/05642405.pdf [firstpage_image] =>[orig_patent_app_number] => 298652 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/298652
Cellular communications system with centralized base stations and distributed antenna units Aug 30, 1994 Issued
Array ( [id] => 3634956 [patent_doc_number] => 05602900 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-02-11 [patent_title] => 'Radio Telecommunication apparatus' [patent_app_type] => 1 [patent_app_number] => 8/297412 [patent_app_country] => US [patent_app_date] => 1994-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5110 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/602/05602900.pdf [firstpage_image] =>[orig_patent_app_number] => 297412 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/297412
Radio Telecommunication apparatus Aug 28, 1994 Issued
Array ( [id] => 3638073 [patent_doc_number] => 05621786 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-04-15 [patent_title] => 'Cellular communications system having passive handoff' [patent_app_type] => 1 [patent_app_number] => 8/294742 [patent_app_country] => US [patent_app_date] => 1994-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 58 [patent_figures_cnt] => 64 [patent_no_of_words] => 18380 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 451 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/621/05621786.pdf [firstpage_image] =>[orig_patent_app_number] => 294742 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/294742
Cellular communications system having passive handoff Aug 22, 1994 Issued
08/293344 PAGING SYSTEM FOR ESTABLISHING TELEPHONE CONNECTION BETWEEN CALLING PARTY AND PAGED PARTY Aug 17, 1994 Abandoned
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