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All Patents in class 335/289
Patents 1 - 15 of 15
First set of recordsLast set of records
NumberDatePatenteeTitleType
137,875Apr. 15, 1873L. Sterne, J.T. Oakley, J.A. JaquesMagnetic Chucks for Lathes and Planersmetal lathe chucks
564,296Jul. 21, 1896O.S. WalkerMagnetic chuckmagnetic chucks
651,908Jun. 19, 1900O.S. WalkerMagnetic Chuckmagnetic chucks
1,079,546Nov. 25, 1913A.W. Faxon, L.W. DownesMagnetic Chuckgrinding attachments
1,125,198Jan. 19, 1915H.K. SpencerMagnetic Chuckmagnetic chucks
1,180,457Apr. 25, 1916O.S. WalkerMagnetic Chuckmagnetic chucks
1,254,736Jan. 29, 1918F.L. SimmonsMagnetic Chuck
1,435,946Nov. 21, 1922F.L. SimmonsMagnetic Chuck magnetic chucks
1,568,024Dec. 29, 1925H.K. SpencerMagnetic Holding Devicemagnetic chucks
1,970,922Aug. 21, 1934F.L. SimmonsMagnetic Chuck magnetic chucks
2,561,769Jul. 24, 1951A. AndersonMagnetic chuck
2,561,770Jul. 24, 1951A. AndersonMagnetic chuck
2,752,538Jun. 26, 1956A. AndersonMagnetic work support
2,864,622Dec. 16, 1958W.B. SeidelMagnetic Work Chuckmagnetic chucks
2,882,458Apr. 14, 1959A. Anderson, E. AndersonMultipole chuck
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