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Patents for Hiram A. Gray
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	255,208	Mar. 21, 1882	J.H. Taylor	Grinding Machine
	275,029	Apr. 03, 1883	J.M. Evarts	Machine for Bending Pipe
	289,056	Nov. 27, 1883	R.C. Ellrich, G.S. Allen	Screwdriver

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