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Case
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Patent number 5,114,164
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Issue date May 19, 1992
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Peter W. Bothwell
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A45 - HAND OR TRAVELLING ARTICLES
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Internal combustion engine
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Patent number 4,887,565
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Issue date Dec 19, 1989
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Peter W. Bothwell
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Internal combustion engines
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Patent number 4,858,573
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Issue date Aug 22, 1989
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Peter W. Bothwell
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Carburettor
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Patent number 4,572,809
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Issue date Feb 25, 1986
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Peter W. Bothwell
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS