Patrick O'Shaughnessey

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New York, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
System and method for authentication of caller identification
- Patent number 6,324,271
- Issue date Nov 27, 2001
- Nortel Networks Limited
- W. Donald Sawyer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Integrated telecommunication collaboration system
- Patent number 6,256,389
- Issue date Jul 3, 2001
- Nortel Networks Limited
- William Clyde Prentice Dalrymple
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Graphical call status presentation system
- Patent number 6,243,452
- Issue date Jun 5, 2001
- Nortel Networks Limited
- Patrick Michael O'Shaughnessey
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for managing an audio conference
- Patent number 6,148,068
- Issue date Nov 14, 2000
- Nortel Networks Limited
- Teddy Blaine Lowery
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transparent protected access to corporate dialing plan
- Patent number 5,943,414
- Issue date Aug 24, 1999
- Northern Telecom Limited
- Mark J. McIntee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE