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All Patents in class 451/306
Patents 1 - 12 of 12
First set of recordsLast set of records
179,167Jun. 27, 1876H.M. Du BoisImprovement in polishing-machinesbelt sanders
330,890Nov. 24, 1885J.M. GilbertPolishing mechanism for turning-lathessanding machines
386,792Jul. 24, 1888L. SwitzerMachine for polishing rodssanding machines
430,398Jun. 17, 1890J.M. NashMachine for smoothing curved surfacessanding machines
624,882May 09, 1899F. UnkrichSpoke-finishing machinewheelwright
679,611Jul. 30, 1901G.A. EnsignSpoke-finishing machinebelt sanders
719,769Feb. 03, 1903G.A. EnsignSpoke-finishing machinewheelwright
910,634Jan. 26, 1909O. AllenFelly-polishing machinewheelwright
960,408Jun. 07, 1910F.C. Rowell, J.L. NolanAbrading-machinesanding machines
980,054Dec. 27, 1910J.C. Blevney, J. HausmanAbrasive machinesanding machines
988,071Mar. 28, 1911E.F. BeuglerBarrel-sanding machinesanding machines
4,407,096Oct. 04, 1983C.I. SteinbackMethod and apparatus for surface grindingsanding machines
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