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Patents for A. J. O'Brien
Patents 1 - 6 of 6
Picture	Number	Date	Patentee	Title
	630,925	Aug. 15, 1899	P.H. Poppert	Pipe Wrench and Cutter
	663,819	Dec. 11, 1900	E.B. Newnam	Foot Vise
	785,847	Mar. 28, 1905	S.W. Akins	Butt-Hinge Gage
	793,561	Jun. 27, 1905	H. Bolthoff	Engine
	900,044	Sep. 29, 1908	N.E. Swanson	Hollow Auger
	965,716	Jul. 26, 1910	W.J. Kelly	Farrier's nail driving hammer

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