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Patents for John Knapp
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	7,501X	Mar. 30, 1833	S. Couillard, Jr.	Clearing wool of burs
	5,457	Feb. 22, 1848	H. Wood	Mechanism for Blacksmiths and Woodworkers Leg Vise

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