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All Patents in class 451/155
Patents 1 - 15 of 15
First set of recordsLast set of records
NumberDatePatenteeTitleType
76,755Apr. 14, 1868G.F. HammerSpindle sanderoscillating spindle sanders
125,948Apr. 23, 1872A.S. GearSpindle sanderoscillating spindle sanders
140,832Jul. 15, 1873J.P. Kealy, J. RigneyMachine for dressing lathe centerssharpening machines
151,669Jun. 02, 1874M. NewmanImprovement in metal shaping and dressing machinessurface grinders
209,648Nov. 05, 1878A. BridgmanImprovement in sandpapering-machinessanding machines
252,063Jan. 10, 1882J.L. TaplinGrinding and polishing machineoscillating spindle sanders
449,666Apr. 07, 1891J.E. CarpenterWood-polishing machinesanding machines
542,099Jul. 02, 1895B. Bloomheart, W.F. NicholsGrinding Apparatusgrinders
1,277,377Sep. 03, 1918R.L. CarterSanding-machineoscillating spindle sanders
1,295,359Feb. 25, 1919N.G. OlsonElectrically-operated abrading-machineoscillating spindle sanders
1,433,387Oct. 24, 1922P.H. LeckingerDrill pressdrill presses
1,624,211Apr. 12, 1927W.L. BryantMultispindle internal-combustion machinegrinding machines
1,762,606Jun. 10, 1930A. BjorklundAbrading machineoscillating spindle sanders
2,646,685Jul. 28, 1953H.E. WillittsShaft vibratorsanding machines
3,418,758Dec. 31, 1968J. McEwanOscillating vertical spindle sanderoscillating spindle sanders
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