Christopher A. Hall

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Lancaster County, NE, US

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Patents Grantslast 30 patents

Information Patent Grant
Voice security between a composite channel telephone communications...
- Patent number 6,256,491
- Issue date Jul 3, 2001
- Transcript International, Inc.
- Douglas E. Ehlers
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of connecting a scrambler or encryption device to a hand-hel...
- Patent number 5,787,180
- Issue date Jul 28, 1998
- Transcrypt International, Inc.
- Christopher A. Hall
- H04 - ELECTRIC COMMUNICATION TECHNIQUE