All Patents in class 415/64


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All Patents in class 415/64
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	9,232X	Nov. 07, 1835	J.G. Hotchkiss	Reacting, rotary steam engine
	1,223,342	Apr. 17, 1917	W.J. London	Elastic Fluid Turbine