Jerry L. Williams

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Tinley Park, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
System and method for broadcasting colored light for emergency sign...
- Patent number 5,877,681
- Issue date Mar 2, 1999
- Federal Signal Corporation
- Jerry L. Williams
- B60 - VEHICLES IN GENERAL
Information Patent Grant
System and method for broadcasting colored light for emergency signals
- Patent number 5,691,696
- Issue date Nov 25, 1997
- Federal Signal Corporation
- Timothy J. Mazies
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Alerting device and system for abnormal situations
- Patent number 5,572,201
- Issue date Nov 5, 1996
- Federal Signal Corporation
- Paul D. Graham
- G08 - SIGNALLING