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All Patents in class 451/501
Patents 1 - 11 of 11
First set of recordsLast set of records
NumberDatePatenteeTitleType
188,580Mar. 20, 1877J.L. Perry, A. BridgmanImprovement in wood-polishing machinessanding machines
240,179Apr. 12, 1881J.L. PerrySanding machinesanding machines
RE10,152Jul. 11, 1882J.L. Perry, A. BridgmanWood-polishing machinesanding machines
273,303Mar. 06, 1883J.L. PerrySanding machinesanding machines
352,988Nov. 23, 1886J. Challoner, A. BridgmanDrum sandersanding machines
414,115Oct. 29, 1889J.S. KenyonSandpapering-rollersanding machines
425,376Apr. 08, 1890L.D. ForbesAbrading-cylindersanding machines
1,922,905Aug. 15, 1933R.A. WilliamsSander drumsanding machines
1,988,361Jan. 15, 1935A.L. PearsonSanding wheelsanding machines
2,167,573Jul. 25, 1939C. JonesSanding wheel headsanding machines
2,483,369Sep. 27, 1949H. Eick, A. LouconySanding machinesanding machines
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