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John W. Varney
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St. Catherines, Ontario, CA
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last 30 patents
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Patent Grant
Steam power plant
Patent number
4,897,999
Issue date
Feb 6, 1990
John W. Varney
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Patent Grant
Water tube steam generator
Patent number
4,741,291
Issue date
May 3, 1988
John W. Varney
F22 - STEAM GENERATION