| Patents for American Screw Co. |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| RE2,182 | Mar. 06, 1866 | T.J. Sloan | Machine for Shaving and Nicking Screws | screws |
| 166,490 | Aug. 10, 1875 | S.L. Worsley | Machine for Tapping Nuts | nut or bolt making machines |
| RE7,153 | May 30, 1876 | S.L. Worsley | Machine for Tapping Screw Nuts | nut or bolt making machines |
| 186,754 | Jan. 30, 1877 | E.E. Quimby | Machine for Making Wood Screws | |
| RE7,573 | Mar. 27, 1877 | H.A. Harvey | Machine for Threading Wood Screws | |
| 203,946 | May 21, 1878 | C.D. Rodgers | Metal Screw Machine | screw machines |
| 225,238 | Mar. 09, 1880 | C.D. Rodgers | Machine for Hammering Draw Plates | metal swaging machines |
| 479,175 | Jul. 19, 1892 | C.D. Rogers | Wood Screw and Method of Making the Same | screws |
| 2,066,372 | Jan. 05, 1937 | J.J. Tomalis | Method of Making Dies or Punches | metal punches |
| 2,507,231 | May 09, 1950 | L.D. Tomalis, administratrix, J.J. Tomalis, estate of (deceased) | Screw Driver Having Cruciform Bit | screwdriver blades |
