Richard A. Williamson

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Danville, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
High speed infrared communications system using pulse sets
- Patent number 5,659,299
- Issue date Aug 19, 1997
- Servio Logic Corporation
- Richard A. Williamson
- G08 - SIGNALLING
Information Patent Grant
High speed infrared communications system using pulse sets
- Patent number 5,475,381
- Issue date Dec 12, 1995
- Servio logic Corp.
- Richard A. Williamson
- G08 - SIGNALLING
Information Patent Grant
Partial scrolling video generator
- Patent number 4,342,991
- Issue date Aug 3, 1982
- Multisonics, Inc.
- Richard N. Pope
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method for controlling traffic flow
- Patent number 4,322,801
- Issue date Mar 30, 1982
- Multisonics, Inc.
- Richard A. Williamson
- G08 - SIGNALLING