| All Patents in class 72/427 |
Patents 1 -
10
of 13
      |
| Picture | Number | Date | Patentee | Title |
| | 441,927 | Dec. 02, 1890 | T.J. Bray | Machine for Cold Drawing Metallic Pipe |
| | 551,887 | Dec. 24, 1895 | F.P. Cady | Machine for Making Split Keys |
| | 575,790 | Jan. 26, 1897 | C.D. Rice | Forging Machine |
| | 787,339 | Apr. 11, 1905 | R.F. Massa | Attachment for Drop Hammers |
| | 1,951,229 | Mar. 13, 1934 | E.W. Zeh | Ejector for power presses |
| | 2,187,479 | Jan. 16, 1940 | H.A. Zwierlein | Ejector Mechanism for Metal Forming Presses |
| | 2,268,125 | Dec. 30, 1941 | L.W. Nash, G.A. Martin | Coiler |
 | 2,408,542 | Oct. 01, 1946 | F.H. Wyman, J.M. Malik | Forging die and mount assembly |
| | 2,956,609 | Oct. 18, 1960 | R.M. Shaw, Jr. | Bending Machines |
| | 3,089,361 | May 14, 1963 | M.W. Lamprecht | Forging machine |
