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All Patents in class 451/360
Patents 1 - 10 of 32
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PictureNumberDatePatenteeTitle
103,242May 17, 1870J. ShaughnessyImprovement in Tool Grinding Attachment for Lathes
175,262Mar. 28, 1876H.D. StoverImprovement in machines for polishing diamonds, &c.
  181,715Aug. 29, 1876C.A. PerkinsMounting for Emery Grinders
  403,712May 21, 1889O.A. WinterMachine for grinding the cutters of wood-cutting machines
  429,697Jun. 10, 1890C.H. NortonGrinding Machine
  603,400May 03, 1898A.J. FarmerLathe Attachment
801,542Oct. 10, 1905T.A. PanyardGrinding and polishing machine
  809,822Jan. 09, 1906C.H. LawtonHolder for Rotary Tool Operating Machines
975,789Nov. 15, 1910T.A. PanyardGearing
982,166Jan. 17, 1911A.A. WoodGrinding-Machine
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