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Patents for Frank H. Ball
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
591,447Oct. 12, 1897B.C. Ball, F.H. BallEngine Governorsteam engine governors
658,201Sep. 18, 1900F.O. Ball, F.H. BallSteam Enginesteam engines
782,814Feb. 21, 1905F.H. BallSteam Enginesteam engines
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