Harold E. Cohn

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Cupertino, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for detecting and recovering from call waiting...
- Patent number 5,940,489
- Issue date Aug 17, 1999
- MPath Interactive, Inc.
- Harold E. Cohn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for detecting and recovering from call waiting...
- Patent number 5,651,060
- Issue date Jul 22, 1997
- Catapult Entertainment, Inc.
- Harold E. Cohn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE