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Michael W. Johnson
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St. Paul, MN, US
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last 30 patents
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Patent Grant
Vehicle coolant recycling
Patent number
5,888,385
Issue date
Mar 30, 1999
Century Manufacturing Company
Kenneth W. Ische
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Patent Grant
Vehicle coolant recycling
Patent number
5,549,832
Issue date
Aug 27, 1996
Century Manufacturing Company
Kenneth W. Ische
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES