David Ward

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Belleville, ON, CA

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Patents Grantslast 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 Applicationslast 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