MITEL KNOWLEDGE CORPORATION
Patent Owner
Stats
- 14 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jul 15, 2008 most recent publication
Details
- 14 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 708 Total Citation Count
- Aug 14, 1978 Earliest Filing
- 25 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
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Recent Publications
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Recent Patents
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
2003/0156,577 Solution to enhanced emergency services (e.g. 911) for IP telephony systemsAbandonedFeb 19, 02Aug 21, 03[H04L]
2003/0048,880 Voice identification pre-screening and redirection systemAbandonedSep 06, 02Mar 13, 03[H04M]
2002/0041,679 Method and apparatus for minimizing far-end speech effects in hands-free telephony systems using acoustic beamformingAbandonedOct 03, 01Apr 11, 02[H04M]
2001/0010,718 Telephone for a plurality of simultaneous conversationsAbandonedJan 19, 01Aug 02, 01[H04M]
5140590 Telephone or data switching system with variable protocol inter-office communicationExpiredMar 16, 90Aug 18, 92[H04J]
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