William A. Williamson III

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Stone Mountain, GA, US

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Patents Grantslast 30 patents

Information Patent Grant
Methods for detecting defective communications lines
- Patent number 6,577,711
- Issue date Jun 10, 2003
- BellSouth Intellectual Property Corporation
- William A. Williamson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Tone suppression automatic gain control for a headset
- Patent number 5,701,352
- Issue date Dec 23, 1997
- BellSouth Corporation
- William A. Williamson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Tone reduction circuit for headsets
- Patent number 5,371,803
- Issue date Dec 6, 1994
- BellSouth Corporation
- William A. Williamson
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Automatic gain control for a headset
- Patent number 5,369,711
- Issue date Nov 29, 1994
- BellSouth Corporation
- William A. Williamson
- H03 - BASIC ELECTRONIC CIRCUITRY