David C. Trimble

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Holmdel, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Communication system dynamic conferencer circuit
- Patent number 4,797,877
- Issue date Jan 10, 1989
- American Telephone and Telegraph Company
- Kevin T. Pope
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dialing interval transmission gating arrangement
- Patent number 4,311,878
- Issue date Jan 19, 1982
- Bell Telephone Laboratories, Incorporated
- Paul R. Berkowitz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE