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Patents for John Harrington
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	590,730	Sep. 28, 1897	C. Frantz, C.E. Swingle	Barrel Tapping Wrench
	1,089,530	Mar. 10, 1914	R.C. Brown	Automatic double gluer and driving machine

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