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All Patents in class 418/211
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
9,068XSep. 09, 1835J. BennockSteam enginesteam engines
40,278Oct. 13, 1863A. RamsdellRotary Steam Enginerotary steam engines
905,476Dec. 01, 1908E.W. Gragert, F. StoehrRotary Enginerotary steam engines
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