Patents for Joseph W. Dennis


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Patents for Joseph W. Dennis
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	409,457	Aug. 20, 1889	F.A. Shoemaker, J.W. Dennis	Steam-engine
	424,183	Mar. 25, 1890	F.A. Shoemaker, J.W. Dennis	Reversing-valve for steam-engines
	437,941	Oct. 07, 1890	F.A. Shoemaker	Steam-engine