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Richard J. Frigon
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Michigan City, IN, US
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last 30 patents
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Patent Grant
Device for switching control of vehicle accessories between vehicle...
Patent number
5,637,927
Issue date
Jun 10, 1997
Sprague Devices, Inc.
Steven J. Stronczek
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Windshield washer control system
Patent number
5,551,232
Issue date
Sep 3, 1996
Sprague Devices, Inc.
Richard J. Frigon
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Electronically controlled fluid powered motor
Patent number
5,427,012
Issue date
Jun 27, 1995
Sprague Devices, Inc.
Richard J. Frigon
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Reciprocating piston fluid powered motor
Patent number
4,708,053
Issue date
Nov 24, 1987
Sprague Devices, Inc.
Alan K. Forsythe
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Reciprocating piston fluid powered motor
Patent number
4,632,013
Issue date
Dec 30, 1986
Sprague Devices, Inc.
Richard Frigon
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES