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Patents Granted on 1953-05-19
Patents 1 - 6 of 6
First set of recordsLast set of records
2,638,677May 19, 1953A.H. SheriffSine Bar
2,638,722May 19, 1953I.A. RimmelMandrelsanding machines
2,638,800May 19, 1953R.E. FrushourTable or Head Positioning Attachment for Drill Presses and the Likedrill presses
2,638,802May 19, 1953A.F. FroussardBoring Implementportable metal drilling machines
2,639,135May 19, 1953H.E. SloanSpeed-Controlled Actuacting Deviceindustrial machine mechanisms
2,639,157May 19, 1953R.E. Buck, J.R. BuckAdjustable chuckmetal lathe chucks
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