Eric P. Mitchell

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Ogden, UT, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for automatic selection of an unknown ISDN ref...
- Patent number 6,320,883
- Issue date Nov 20, 2001
- 3COM Corporation
- Eric P. Mitchell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Analog telephone to ISDN interface apparatus and method therefor
- Patent number 6,215,799
- Issue date Apr 10, 2001
- 3COM Corporation
- Eric P. Mitchell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for digitally conveying alert tones between an...
- Patent number 6,055,245
- Issue date Apr 25, 2000
- 3COM Corporation
- Eric P. Mitchell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE