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All Patents in class 418/148
Patents 1 - 3 of 3
Number	Date	Patentee	Title	Type
11,909	Nov. 07, 1854	C. Rumley	Rotary Steam Engine	rotary steam engines
465,907	Dec. 29, 1891	W.N. Whipple	Rotary Steam Engine	rotary steam engines
583,897	Jun. 08, 1897	M.P. Elgen	Rotary Engine	rotary steam engines

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