Patents for John O'Brien


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Patents for John O'Brien
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	279,460	Jun. 12, 1883	J.B. Tetley	Parallel Dividers
	362,308	May 03, 1887	J. O'Brien	Combined Flanging Machine and Drill Press
	1,236,631	Aug. 14, 1917	V. Villeneuve	Clapboard Marker