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All Patents in class 418/140
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
208,298Sep. 24, 1878J. DarlingRotary- Enginesrotary steam engines
464,162Dec. 01, 1891M.J. MapesRotary Steam Enginerotary steam engines
465,907Dec. 29, 1891W.N. WhippleRotary Steam Enginerotary steam engines
711,239Oct. 14, 1902E.B. TreeRotary Engine
924,899Jun. 15, 1909V.M. FulcherRotary Enginerotary steam engines
4,898,524Feb. 06, 1990J.K. ButzenFluid Driven Rotary Motor
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