All Patents in class 415/173.6


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All Patents in class 415/173.6
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	158,997	Jan. 19, 1875	E.R. Stilwell	Cases for Turbine Water-Wheels
	501,598	Jul. 18, 1893	W.M. Byrd	Rotary Steam Engine
	516,729	Mar. 20, 1894	W.M. Byrd	Rotary Steam Engine