Search

Keith D. Walker

Supervisory Patent Examiner (ID: 14353, Phone: (571)272-3458 , Office: P/1735 )

Most Active Art Unit
1735
Art Unit(s)
1745, 1735, 1726, 1795
Total Applications
568
Issued Applications
152
Pending Applications
56
Abandoned Applications
363

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 1360454 [patent_doc_number] => 06584110 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-06-24 [patent_title] => 'Voice gateway and route selection' [patent_app_type] => B1 [patent_app_number] => 09/375296 [patent_app_country] => US [patent_app_date] => 1999-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 20 [patent_no_of_words] => 6718 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/584/06584110.pdf [firstpage_image] =>[orig_patent_app_number] => 09375296 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/375296
Voice gateway and route selection Aug 15, 1999 Issued
09/374386 DIGITAL SUBSCRIBER LINE CENTRAL OFFICE EQUIPMENT HAVING FAX ROUTING CAPABILITIES Aug 12, 1999 Abandoned
Array ( [id] => 1603956 [patent_doc_number] => 06434139 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-08-13 [patent_title] => 'Method for optimizing mobile wireless communications routed across plural interconnected networks' [patent_app_type] => B1 [patent_app_number] => 09/371385 [patent_app_country] => US [patent_app_date] => 1999-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3972 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/434/06434139.pdf [firstpage_image] =>[orig_patent_app_number] => 09371385 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/371385
Method for optimizing mobile wireless communications routed across plural interconnected networks Aug 9, 1999 Issued
Array ( [id] => 1304605 [patent_doc_number] => 06628674 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-09-30 [patent_title] => 'Apparatus depending on timing source for synchronization' [patent_app_type] => B1 [patent_app_number] => 09/370604 [patent_app_country] => US [patent_app_date] => 1999-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 25 [patent_no_of_words] => 8003 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/628/06628674.pdf [firstpage_image] =>[orig_patent_app_number] => 09370604 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/370604
Apparatus depending on timing source for synchronization Aug 8, 1999 Issued
Array ( [id] => 4369992 [patent_doc_number] => 06169741 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-01-02 [patent_title] => 'Method and apparatus for transparent intermediate system based filtering on a LAN multicast packets' [patent_app_type] => 1 [patent_app_number] => 9/369495 [patent_app_country] => US [patent_app_date] => 1999-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 7175 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/169/06169741.pdf [firstpage_image] =>[orig_patent_app_number] => 369495 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/369495
Method and apparatus for transparent intermediate system based filtering on a LAN multicast packets Aug 4, 1999 Issued
Array ( [id] => 1359545 [patent_doc_number] => 06580724 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-06-17 [patent_title] => 'Method of preventing data destruction in multiplex communication system' [patent_app_type] => B1 [patent_app_number] => 09/368358 [patent_app_country] => US [patent_app_date] => 1999-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 15 [patent_no_of_words] => 4750 [patent_no_of_claims] => 15 [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/06/580/06580724.pdf [firstpage_image] =>[orig_patent_app_number] => 09368358 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/368358
Method of preventing data destruction in multiplex communication system Aug 4, 1999 Issued
Array ( [id] => 4417375 [patent_doc_number] => 06233223 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-15 [patent_title] => 'Control of distributed allocation of channels' [patent_app_type] => 1 [patent_app_number] => 9/368278 [patent_app_country] => US [patent_app_date] => 1999-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 4998 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/233/06233223.pdf [firstpage_image] =>[orig_patent_app_number] => 368278 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/368278
Control of distributed allocation of channels Aug 2, 1999 Issued
Array ( [id] => 1182310 [patent_doc_number] => 06747956 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-06-08 [patent_title] => 'Method for measurement of receive antenna return loss in a CDMA radio system' [patent_app_type] => B1 [patent_app_number] => 09/364295 [patent_app_country] => US [patent_app_date] => 1999-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4124 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/747/06747956.pdf [firstpage_image] =>[orig_patent_app_number] => 09364295 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/364295
Method for measurement of receive antenna return loss in a CDMA radio system Jul 29, 1999 Issued
Array ( [id] => 1176924 [patent_doc_number] => 06754210 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-06-22 [patent_title] => 'Shared medium access scheduling with common time reference' [patent_app_type] => B1 [patent_app_number] => 09/362334 [patent_app_country] => US [patent_app_date] => 1999-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 27 [patent_no_of_words] => 15584 [patent_no_of_claims] => 72 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/754/06754210.pdf [firstpage_image] =>[orig_patent_app_number] => 09362334 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/362334
Shared medium access scheduling with common time reference Jul 27, 1999 Issued
Array ( [id] => 4274295 [patent_doc_number] => 06259695 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-07-10 [patent_title] => 'Packet telephone scheduling with common time reference' [patent_app_type] => 1 [patent_app_number] => 9/362335 [patent_app_country] => US [patent_app_date] => 1999-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 23 [patent_no_of_words] => 13724 [patent_no_of_claims] => 49 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/259/06259695.pdf [firstpage_image] =>[orig_patent_app_number] => 362335 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/362335
Packet telephone scheduling with common time reference Jul 27, 1999 Issued
Array ( [id] => 1355371 [patent_doc_number] => 06587474 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-07-01 [patent_title] => 'Data bus for multiple components' [patent_app_type] => B1 [patent_app_number] => 09/254391 [patent_app_country] => US [patent_app_date] => 1999-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2755 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/587/06587474.pdf [firstpage_image] =>[orig_patent_app_number] => 09254391 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/254391
Data bus for multiple components Jul 22, 1999 Issued
Array ( [id] => 4381689 [patent_doc_number] => 06275473 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-08-14 [patent_title] => 'Bus management method' [patent_app_type] => 1 [patent_app_number] => 9/351390 [patent_app_country] => US [patent_app_date] => 1999-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 5216 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/275/06275473.pdf [firstpage_image] =>[orig_patent_app_number] => 351390 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/351390
Bus management method Jul 12, 1999 Issued
Array ( [id] => 1555564 [patent_doc_number] => 06400710 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-06-04 [patent_title] => 'Network with hot button for providing switched broadband multipoint/multimedia intercommunication' [patent_app_type] => B1 [patent_app_number] => 09/351405 [patent_app_country] => US [patent_app_date] => 1999-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1983 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/400/06400710.pdf [firstpage_image] =>[orig_patent_app_number] => 09351405 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/351405
Network with hot button for providing switched broadband multipoint/multimedia intercommunication Jul 8, 1999 Issued
Array ( [id] => 1483146 [patent_doc_number] => 06452915 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-09-17 [patent_title] => 'IP-flow classification in a wireless point to multi-point (PTMP) transmission system' [patent_app_type] => B1 [patent_app_number] => 09/350156 [patent_app_country] => US [patent_app_date] => 1999-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 41 [patent_figures_cnt] => 43 [patent_no_of_words] => 46375 [patent_no_of_claims] => 163 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/452/06452915.pdf [firstpage_image] =>[orig_patent_app_number] => 09350156 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/350156
IP-flow classification in a wireless point to multi-point (PTMP) transmission system Jul 8, 1999 Issued
Array ( [id] => 1565424 [patent_doc_number] => 06363060 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-03-26 [patent_title] => 'Method and apparatus for fast WCDMA acquisition' [patent_app_type] => B1 [patent_app_number] => 09/345283 [patent_app_country] => US [patent_app_date] => 1999-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 9298 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/363/06363060.pdf [firstpage_image] =>[orig_patent_app_number] => 09345283 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/345283
Method and apparatus for fast WCDMA acquisition Jun 29, 1999 Issued
Array ( [id] => 4327334 [patent_doc_number] => 06317436 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-11-13 [patent_title] => 'Method and apparatus for managing communication resources using an adaptive broadcast cycle (ABC)' [patent_app_type] => 1 [patent_app_number] => 9/340585 [patent_app_country] => US [patent_app_date] => 1999-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 21 [patent_no_of_words] => 8100 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/317/06317436.pdf [firstpage_image] =>[orig_patent_app_number] => 340585 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/340585
Method and apparatus for managing communication resources using an adaptive broadcast cycle (ABC) Jun 27, 1999 Issued
Array ( [id] => 7627251 [patent_doc_number] => 06807190 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-10-19 [patent_title] => 'Survivable distribution of broadcast signals in loopback rings' [patent_app_type] => B1 [patent_app_number] => 09/318385 [patent_app_country] => US [patent_app_date] => 1999-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 7693 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 7 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/807/06807190.pdf [firstpage_image] =>[orig_patent_app_number] => 09318385 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/318385
Survivable distribution of broadcast signals in loopback rings May 24, 1999 Issued
Array ( [id] => 4096701 [patent_doc_number] => 06163543 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-12-19 [patent_title] => 'Port aggregation protocol' [patent_app_type] => 1 [patent_app_number] => 9/312702 [patent_app_country] => US [patent_app_date] => 1999-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 10743 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/163/06163543.pdf [firstpage_image] =>[orig_patent_app_number] => 312702 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/312702
Port aggregation protocol May 16, 1999 Issued
Array ( [id] => 4420868 [patent_doc_number] => 06266346 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-07-24 [patent_title] => 'Data transmitting apparatus, data receiving apparatus and data transmission control apparatus' [patent_app_type] => 1 [patent_app_number] => 9/311671 [patent_app_country] => US [patent_app_date] => 1999-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 14 [patent_no_of_words] => 14453 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/266/06266346.pdf [firstpage_image] =>[orig_patent_app_number] => 311671 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/311671
Data transmitting apparatus, data receiving apparatus and data transmission control apparatus May 12, 1999 Issued
Array ( [id] => 1578682 [patent_doc_number] => 06470027 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-10-22 [patent_title] => 'System and method for providing message redirection in networked environments' [patent_app_type] => B1 [patent_app_number] => 09/303267 [patent_app_country] => US [patent_app_date] => 1999-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3194 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/470/06470027.pdf [firstpage_image] =>[orig_patent_app_number] => 09303267 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/303267
System and method for providing message redirection in networked environments Apr 29, 1999 Issued
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