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Patents for John Knapp
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
7,501XMar. 30, 1833S. Couillard, Jr.Clearing wool of burstextile machines
5,457Feb. 22, 1848H. WoodMechanism for Blacksmiths and Woodworkers Leg Viseleg vises
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