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Patents for William Pirsson
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	52,444	Feb. 06, 1866	W. Pirsson	Improvement in Ratchet-Wrenches
	55,157	May 29, 1866	W. Pirsson	Improvement in Ratchet-Wrenches
	261,758	Jul. 25, 1882	W. Pirsson	Improvement in Ratchet Drills and Wrenches

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