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Patents for John W. Alexander
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	247,987	Oct. 04, 1881	W.H. Brock	Chain Wrench
	254,862	Mar. 14, 1882	W.H. Brock	Chain Wrench
	270,202	Jan. 09, 1883	J. Charter	Gas Engine

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