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Joseph E. Brennan
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Amesbury, MA, US
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last 30 patents
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Patent Grant
Two-stroke cycle engine and pump having three-stroke cycle effect
Patent number
4,834,032
Issue date
May 30, 1989
Union Machine Company of Lynn
Joseph E. Brennan
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS