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All Patents in class 451/451
Patents 31 - 45 of 51
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NumberDatePatenteeTitleType
1,910,649May 23, 1933H.M. SvebeliusMachine Toolsurface grinders
1,976,130Oct. 09, 1934F.S. Haas, B.A. KearnsGrinding Machinegrinding machines
2,052,031Aug. 25, 1936W.J. MerriganCombination grinder and sandersanding machines
2,148,766Feb. 28, 1939A.W. MallTrack grinding machine
2,253,846Aug. 26, 1941E.S. CornellMachine Tool and Dust Guard Thereforsurface grinders
2,308,728Jan. 19, 1943W. Trible, E.D. VancilSafety Control for Machine Toolsmachine tool controls
2,384,512Sep. 11, 1945E.A. Reibig, C.A. WikenMachine protective apparatuswoodworking machine safety guards
2,393,592Jan. 29, 1946S.A. CrosbyFlexible sleeve for rubbing machineshandheld power sanders
2,527,003Oct. 24, 1950A.N. EmmonsGrinding machinesanding machines
2,589,309Mar. 18, 1952J.E. TompkinsCircular saw safety guardwoodworking machine safety guards
2,781,067Feb. 12, 1957R.C. KaleySafety device for rotary cuttersradial arm saws
2,841,926Jul. 08, 1958W.A. LebusKnife Sharpener Casingsharpening apparatus
2,913,926Nov. 24, 1959L.C. HammondBrush-type guard for printers' sawprinter
2,958,164Nov. 01, 1960F.K. Beyer, B. WilliamGrinding machinetool grinders
3,029,563Apr. 17, 1962R.M. Bell, M.M. BassGuard for grinding wheel
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