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Paul D. Graham
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Frankfort, IL, US
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last 30 patents
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Patent Grant
Variable speed warning device
Patent number
6,211,779
Issue date
Apr 3, 2001
Federal Signal Corporation
Richard G. Gibb
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Remote control spotlight
Patent number
5,584,560
Issue date
Dec 17, 1996
Federal Signal Corporation
Earl W. Gosswiller
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
Information
Patent Grant
Flash strobe power supply
Patent number
4,613,797
Issue date
Sep 23, 1986
Federal Signal Corporation
Frederick W. Eggers
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Speaker grille for streamlined light bar mounted on vehicle roof
Patent number
4,334,211
Issue date
Jun 8, 1982
Federal Signal Corporation
Michael V. McConnell
B60 - VEHICLES IN GENERAL