William W. Williamson

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Somerset, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Piezoelectric motion sensor
- Patent number 5,258,743
- Issue date Nov 2, 1993
- Uniplex Corporation
- Jon Nelson
- G08 - SIGNALLING
Information Patent Grant
Combined annunciator and telephone jack wall plate and a junction b...
- Patent number D299422
- Issue date Jan 17, 1989
- Interactive Technologies, Inc.
- William W. Williamson
- D08 - Tools and hardware
Information Patent Grant
Security system with programmable sensor and user data input transm...
- Patent number 4,737,770
- Issue date Apr 12, 1988
- Interactive Technologies, Inc.
- Robert E. Brunius
- G08 - SIGNALLING