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All Patents of Type: magnetic chucks
Patents 1 - 9 of 9
First set of recordsLast set of records
564,296Jul. 21, 1896O.S. WalkerMagnetic chuckmagnetic chucks
614,190Nov. 15, 1898O.S. WalkerMagnetic chuckmagnetic chucks
651,908Jun. 19, 1900O.S. WalkerMagnetic Chuckmagnetic chucks
1,180,457Apr. 25, 1916O.S. WalkerMagnetic Chuckmagnetic chucks
1,180,680Apr. 25, 1916O.S. WalkerApparatus for Controlling Magnetic Chucksmagnetic chucks
1,213,167Jan. 23, 1917A.M. DrakeMagnetic chuck and casingmagnetic chucks
1,222,052Apr. 10, 1917O.S. Walkermagnetic chuckmagnetic chucks
2,053,177Sep. 01, 1936W.L. BowerWork holdermagnetic chucks
2,432,194Dec. 09, 1947R.V. HanchettInsulation sealing cover for electric coilsmagnetic chucks
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