| All Patents in class 72/357 |
Patents 1 -
8
of 8
      |
| Picture | Number | Date | Patentee | Title |
| | 178,967 | Jun. 20, 1876 | W. Sellers | Hydraulic Apparatus for Holding Bars of Iron Against the Pressure Required to Upset Them |
| | 373,612 | Nov. 22, 1887 | F. Schreidt | Machine for Upsetting Carriage Irons |
| | 1,595,588 | Aug. 10, 1926 | W.L. Tuttle | Method and Apparatus for Making Wrench Sockets |
| | 1,691,878 | Nov. 13, 1928 | J.R. Blakeslee | Metal Working |
| | 1,691,879 | Nov. 13, 1928 | J.R. Blakeslee | Forging Mechanism |
 | 2,027,922 | Jan. 14, 1936 | N.F. McNaught | Method of making wrench sockets |
| | 2,343,403 | Mar. 07, 1944 | W.W. Criley | Forging Machine |
| | 3,302,438 | Feb. 07, 1967 | B.F. Ware | Forging Machine for Extruding and Working Metal Articles |
