Stentor Resource Centre, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04M TELEPHONIC COMMUNICATION 12151
 
  
 
H04J MULTIPLEX COMMUNICATION 6119
 
  
 
H04Q SELECTING 1109

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6453035 Method and apparatus for providing virtual private network services over public switched telephone networkMar 02, 98Sep 17, 02[H04Q]
6160877 Method of screening and prioritizing an incoming callMar 10, 97Dec 12, 00[H04M]
6097801 Number portability using enhanced routing tableNov 07, 96Aug 01, 00[H04M, H04J]
6047055 Number portability with database queryDec 26, 96Apr 04, 00[H04M, H04J]
6002757 Number portability using enhanced routing tableMar 08, 96Dec 14, 99[H04M, H04J]
5999611 Subscriber interface for accessing and operating personal communication servicesNov 19, 96Dec 07, 99[H04M]
5966433 Method and apparatus for screening calls in telephone networksFeb 14, 96Oct 12, 99[H04M]
5915009 Number portability using ISUP message optionDec 26, 96Jun 22, 99[H04M, H04J]
5828729 Automated mass calling detection using CCS7 message parametersNov 22, 95Oct 27, 98[H04M]
5768358 Method and apparatus for routing a call to a number corresponding to a virtual public dial plan or to an existing dial planJun 29, 95Jun 16, 98[H04M]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0187,934 INTERACTIVE REVERSE CHANNEL FOR DIRECT BROADCAST SATELLITE SYSTEMAbandonedMar 24, 09Jul 23, 09[H04N]
2005/0149,974 Interactive reverse channel for direct broadcast satellite systemAbandonedNov 29, 04Jul 07, 05[H04N, G06F]
6167129 Method and apparatus for signal mediation in a common channel signaling networkExpiredApr 03, 98Dec 26, 00[H04M, H04J]
5953403 Method for preventing call congestion on outgoing trunks of a local telephone exchangeExpiredJan 31, 97Sep 14, 99[H04M]
5953404 Method and system for providing mediated access between signaling networksExpiredApr 11, 97Sep 14, 99[H04M]
5905774 Method and system of accessing and operating a voice message systemExpiredMar 10, 97May 18, 99[H04M]
5539817 Wide area centrex toll service with novel translationExpiredDec 11, 95Jul 23, 96[H04M, H04Q]

Top Inventors for This Owner

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