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All Patents in class 451/455
Patents 1 - 15 of 22
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NumberDatePatenteeTitleType
79,766Jul. 07, 1868C.T. LamphereImprovement in Eye Protestor or Chip Arrester for Lathesmetal lathe accessories and attachments
375,821Jan. 03, 1888A. Vallentine, E.R. HydeGrinding Machinegrinding machines
413,606Oct. 22, 1889J.J. MeffordLathe dust-trapwaste collection mechanisms
427,091May 06, 1890A.B. LandisGrinding-machinegrinders
618,293Jan. 24, 1899G.J. RidleyWater-feeding device for grinding-wheelstool grinders
987,589Mar. 21, 1911E.S. MummertGrinding Machine for Sharpening Edged Toolssharpening machines
1,633,412Jun. 21, 1927T.J. KelleherEye and face shield for grinding wheelsbench or pedestal grinders
1,689,176Oct. 23, 1928H.K. SpencerGrinding Machinesurface grinders
2,069,395Feb. 02, 1937H.E. TautzSafety shieldbench or pedestal grinders
2,217,501Oct. 08, 1940R.R. TeichnerSafety shieldbench or pedestal grinders
2,267,189Dec. 23, 1941S.A. BrownCombined shield and illuminating means for grinding wheelsbench or pedestal grinders
2,292,229Aug. 04, 1942E.C. KruegerSplash guard for grinding machines
2,315,132Mar. 30, 1943C. PowersSafety shield for bench grindersbench or pedestal grinders
2,340,553Feb. 01, 1944W.F. Obear, E.F. ObearAbrasive cutoff machinemetal cutting circular saws
2,347,223Apr. 25, 1944H.E. TautzCutting machinecircular saws
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