Edwin C. Ingle

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Jamestown, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Bidirectional adaptive voice frequency repeater
- Patent number 4,628,157
- Issue date Dec 9, 1986
- AT&T Bell Laboratories
- Christopher P. Chance
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bidirectional adaptive voice frequency repeater
- Patent number 4,584,441
- Issue date Apr 22, 1986
- AT&T Bell Laboratories
- Christopher P. Chance
- H04 - ELECTRIC COMMUNICATION TECHNIQUE