Thomas D. Klarquist

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Beaverton, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Voice mail system with improved detection and cancellation
- Patent number 4,885,763
- Issue date Dec 5, 1989
- AT&E Corporation
- Dennis J. O'Brien
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voice mail system on magnetic tape
- Patent number 4,747,126
- Issue date May 24, 1988
- A T & E Corporation
- William G. Hood
- G11 - INFORMATION STORAGE