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Patents for Junius Judson
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
7,755Nov. 05, 1850J. Judson, A. JudsonValve for governorssteam engine governors
RE255Jan. 10, 1854J. Judson, A. JudsonImproved governor-valve for steam-enginessteam engine governors
349,847Sep. 28, 1886J. JudsonGovernorsteam engine governors
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