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Patents for American Screw Co.
Patents 1 - 10 of 10
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  RE2,182Mar. 06, 1866T.J. SloanMachine for Shaving and Nicking Screws
  166,490Aug. 10, 1875S.L. WorsleyMachine for Tapping Nuts
  RE7,153May 30, 1876S.L. WorsleyMachine for Tapping Screw Nuts
  186,754Jan. 30, 1877E.E. QuimbyMachine for Making Wood Screws
  RE7,573Mar. 27, 1877H.A. HarveyMachine for Threading Wood Screws
  203,946May 21, 1878C.D. RodgersMetal Screw Machine
  225,238Mar. 09, 1880C.D. RodgersMachine for Hammering Draw Plates
  479,175Jul. 19, 1892C.D. RogersWood Screw and Method of Making the Same
  2,066,372Jan. 05, 1937J.J. TomalisMethod of Making Dies or Punches
2,507,231May 09, 1950L.D. Tomalis, administratrix, J.J. Tomalis, estate of (deceased)Screw Driver Having Cruciform Bit
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