Gregory L. Distler

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Huntsville, AL, US

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Patents Grantslast 30 patents

Information Patent Grant
Coin validation apparatus
- Patent number 6,223,877
- Issue date May 1, 2001
- QVEX, Inc.
- Joseph R. McGinty
- G07 - CHECKING-DEVICES
Information Patent Grant
Full coin box signalling device for use with coin telephones
- Patent number 5,737,401
- Issue date Apr 7, 1998
- Quadrum Telecommunications, Inc.
- Gary Grantland
- G07 - CHECKING-DEVICES