Donald Wurch

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Rockwall, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for switching between two network access technolo...
- Patent number 7,177,952
- Issue date Feb 13, 2007
- Nortel Networks Limited
- Donald L. Wurch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Public telephone network, intelligent network, and internet protoco...
- Patent number 6,611,533
- Issue date Aug 26, 2003
- Nortel Networks Limited
- Monling Liao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Computer program products, methods, and protocol for interworking s...
- Patent number 6,529,524
- Issue date Mar 4, 2003
- Nortel Networks Limited
- Monling Liao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE