Patents for George E. Witherell


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Patents for George E. Witherell
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	409,441	Aug. 20, 1889	G.E. Witherell	Machine for Dressing the Ends of Screw Blanks
	511,829	Jan. 02, 1894	G.E. Witherell	Turret Tool Machine
	578,802	Mar. 16, 1897	G.E. Witherell	Thread Cutter