All Patents in class 418/66


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All Patents in class 418/66
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	6,927	Dec. 04, 1849	A. Stiven	Improvement in pumps for raising water
	448,607	Mar. 17, 1891	E.H. Gollings	Rotary Engine
	455,863	Jul. 14, 1891	A. Cleland	Rotary Engine