Stentor Resource Centre, Inc.
Patent Owner
Stats
- 13 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jul 23, 2009 most recent publication
Details
- 13 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 1,559 Total Citation Count
- Dec 30, 1994 Earliest Filing
- 7 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
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]
5999611 Subscriber interface for accessing and operating personal communication servicesNov 19, 96Dec 07, 99[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]
Expired/Abandoned/Withdrawn Patents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]
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