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All Patents in class 192/83
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
660,249Oct. 23, 1900A.J. GiffordDrilling-machinedrill presses
1,822,697Sep. 08, 1931P.R. HahnemannSheet-metal working machinebeading machines
3,454,143Jul. 08, 1969H.L. Beam, W.A. Berube, G.A. DobslawPower-operated toolhandheld power drills
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