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All Patents in class 279/53
Patents 16 - 17 of 17
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NumberDatePatenteeTitleType
2,147,227Feb. 14, 1939G.B. AmblerDrill sharpening machinedrill sharpening machines
2,746,758May 22, 1956G.S. Haviland, A.M. StonerChucksmetal lathe chucks
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