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All Patents in class 451/307
Patents 1 - 15 of 19
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NumberDatePatenteeTitleType
250,455Dec. 06, 1881F.A. SavageSpoke-finishing machinewheelwright
275,954Apr. 17, 1883J.N. SpencerLathe and sandersanding machines
291,235Jan. 01, 1884W.E. SibleyPencil-sharpener
339,125Apr. 06, 1886J.W. AllenBelt sander for spokessanding machines
502,174Jul. 25, 1893I.L. Price, G.W. Price, G.J. CovertMachine for grinding spokessanding machines
537,274Apr. 09, 1895C.D. CarrollSpoke grinding and polishing machinewheelwright
573,846Dec. 29, 1896C.D. AmesButter-tub sanding machinesanding machines
701,821Jun. 03, 1902L.D. VogelMachine for sand-finishing tubs, buckets, &c.sanding machines
741,907Oct. 20, 1903A.H. HatfieldAutomatic grinding or polishing lathesanding machines
763,743Jun. 28, 1904G.S. EnsignPolishing machinesanding machines
977,923Dec. 06, 1910G.A. BarkerSandpapering-machinesanding machines
980,967Jan. 10, 1911R.D. KinyonBarrel-finishing machinebarrel making machines
2,798,340Jul. 09, 1957W.D. RobertsApparatus for grinding internal surfacesmetal sanding machines
3,816,998Jun. 18, 1974H.W. Grivna, D.C. ElmMethod of and apparatus for rapidly abrading metal workpiecesmetal sanding machines
4,292,767Oct. 06, 1981J.J. FatulaBelt grinder for grinding non-circular workpiecemetal sanding machines
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