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David Ward
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Belleville, ON, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Secure certificate installation on IP clients
Patent number
8,316,229
Issue date
Nov 20, 2012
Avaya Inc.
Tao Wan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for instant voice messaging
Patent number
7,657,007
Issue date
Feb 2, 2010
Nortel Networks Limited
David Ward
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Internet protocol (IP) telecommunication
Patent number
6,556,565
Issue date
Apr 29, 2003
Nortel Networks Limited
David P. Ward
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
PC with telephony exchange function
Patent number
5,649,005
Issue date
Jul 15, 1997
Northern Telecom Limited
John Cornelius Lynch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Secure Certificate Installation on IP Clients
Publication number
20090158031
Publication date
Jun 18, 2009
Nortel Networks Limited
Tao Wan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and apparatus for instant voice messaging
Publication number
20050136896
Publication date
Jun 23, 2005
David Ward
H04 - ELECTRIC COMMUNICATION TECHNIQUE