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All Patents in class 418/246
Patents 1 - 4 of 4
Number	Date	Patentee	Title	Type
444,834	Jan. 20, 1891	J.W. Hayes	Rotary Engine	rotary steam engines
453,614	Jun. 09, 1891	S.G. Brosius	Rotary Engine	rotary engines
501,223	Jul. 11, 1893	J.H. Eickershoff	Steam Engine	rotary steam engines
570,470	Nov. 03, 1896	L. Gathman	Rotary Gas Engine	rotary engines

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