Lih-Shyng Tzeng

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Arlington Heights, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Telephone call routing and switching techniques for data communicat...
- Patent number 5,761,281
- Issue date Jun 2, 1998
- 3COM Corporation
- Marc S. Baum
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone call routing and switching techniques for data communicat...
- Patent number 5,577,105
- Issue date Nov 19, 1996
- U.S. Robotics, Inc.
- Marc S. Baum
- H04 - ELECTRIC COMMUNICATION TECHNIQUE