David L. Hinshaw

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Longwood, FL, US

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Patents Grantslast 30 patents

Information Patent Grant
Telephone concentrator switch arrangement
- Patent number 4,523,308
- Issue date Jun 11, 1985
- Stromberg-Carlson Corporation
- John Bull
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Programmable port sense and control signal preprocessor for a centr...
- Patent number 4,385,206
- Issue date May 24, 1983
- Stromberg-Carlson Corporation
- Robert H. Bradshaw
- H04 - ELECTRIC COMMUNICATION TECHNIQUE