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Jeffrey P. Ruhnke
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Fond du Lac, WI, US
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last 30 patents
Information
Patent Grant
Oil containment means for outboard motor
Patent number
5,472,360
Issue date
Dec 5, 1995
Brunswick Corporation
William Prasse
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Combination exhaust manifold and exhaust elbow for marine propulsio...
Patent number
4,977,741
Issue date
Dec 18, 1990
Brunswick Corporation
Ricky H. Lulloff
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Evaporable foam pattern for use in casting an exhaust manifold
Patent number
4,969,504
Issue date
Nov 13, 1990
Brunswick Corporation
Jeffrey P. Ruhnke
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Marine propulsion system with fuel line cooler
Patent number
4,875,439
Issue date
Oct 24, 1989
Brunswick Corporation
Steven L. Widmer
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Marine propulsion system with fuel line cooler
Patent number
4,865,004
Issue date
Sep 12, 1989
Brunswick Corporation
Steven L. Widmer
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Mixing tube assembly for marine propulsion system
Patent number
4,801,283
Issue date
Jan 31, 1989
Brunswick Corporation
Jeffrey P. Ruhnke
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Marine propulsion system with fuel line cooler
Patent number
4,768,492
Issue date
Sep 6, 1988
Brunswick Corporation
Steven L. Widmer
F28 - HEAT EXCHANGE IN GENERAL