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Patents for American Screw Co.
Patents 1 - 7 of 7
First set of recordsLast set of records
166,490Aug. 10, 1875S.L. WorsleyMachine for Tapping Nutsnut or bolt making machines
RE7,153May 30, 1876S.L. WorsleyMachine for Tapping Screw Nutsnut or bolt making machines
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 Machinescrew machines
479,175Jul. 19, 1892C.D. RogersWood Screw and Method of Making the Same
2,507,231May 09, 1950L.D. Tomalis, administratrix, J.J. Tomalis, estate of (deceased)Screw Driver Having Cruciform Bitscrewdriver blades
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