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All Patents in class 451/450
Patents 16 - 30 of 59
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NumberDatePatenteeTitleType
654,215Jul. 24, 1900M.L. Worden, Administratrix, C.A. Worden, deceased (Estate of)Sharpening Machinesharpening machines
665,380Jan. 01, 1901B.F. BarnesGrinding-wheel support
838,556Dec. 18, 1906H. Lutter, E.A. GiesGrinding-machinebench or pedestal grinders
856,662Jun. 11, 1907G.W. SmithFace-mill grindertool grinders
987,589Mar. 21, 1911E.S. MummertGrinding Machine for Sharpening Edged Toolssharpening machines
995,256Jun. 13, 1911E.J. Kearney, T. TreckerMilling-machinemilling machines
1,254,111Jan. 22, 1918W.F. BarryGrinding or Polishing Apparatuspolishing and buffing machinery
1,261,669Apr. 02, 1918W.E. WrightSawing Apparatus
1,265,050May 07, 1918H.E. ChayesGrinding Machine
1,576,593Mar. 16, 1926A.F. FroussardCylinder honecylinder maintenance
1,664,983Apr. 03, 1928G.C. KimmelAutomatic Coolant-Arresting Mechanismgrinding machines
1,700,114Jan. 22, 1929C.H. ThompsonSurface Polishing Machinepolishing and buffing machinery
1,971,790Aug. 28, 1934A.W. MallPortable power tool
2,036,658Apr. 07, 1936B.F. StowellAutomatic grinding machinegrinders
2,175,347Oct. 10, 1939A.G. Ericson, B.R. GranbergCooling Device for Machine Toolscoolant apparatus
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