Patents for W. H. Spencer


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Patents for W. H. Spencer
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	59,683	Nov. 13, 1866	D.S. Trout	Improvement in Wheelwright's Machines
	556,015	Mar. 10, 1896	C.D. Marsh	Molding or sticking machine
	917,070	Apr. 06, 1909	E.P. Holly	Impelling Device