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Patents Granted on 1951-11-20
Patents 1 - 7 of 7
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,575,332Nov. 20, 1951H.D. CumminsDrilldrill bits
2,575,656Nov. 20, 1951J.B. Dym, H.D. Coe, Jr.Means for finishing workpieces of irregular shapesbelt sanders
2,575,721Nov. 20, 1951H. LichtyName plate device or the like
2,575,792Nov. 20, 1951R.D. Bullard, J.H. Sherwood, P.M. GeistControl Mechanism
2,575,902Nov. 20, 1951J. Woerman, V. YagerAir Vent And Focusing Screen Support For Bellows Type Camerascamera accessories
2,575,945Nov. 20, 1951C.B. De VliegMachine tool positioning mechanismmetalworking machine mechanisms
2,575,984Nov. 20, 1951W.L. TancredGrinding Wheel Truing Mechanismgrinder dressers
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