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All Patents in class 418/108
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	583,897	Jun. 08, 1897	M.P. Elgen	Rotary Engine
	685,775	Nov. 05, 1901	T.J. Lindsay	Rotary Pump or Blower
	2,460,047	Jan. 25, 1949	A. Von Wangenheim	Vane Pump and Pressure Control Means
	3,097,571	Jul. 16, 1963	F.A. Kaman	Motor for pneumatic drill

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