Patents for W. H. Spencer


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