| All Patents in class 72/426 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 137,053 | Mar. 25, 1873 | L. Chapman | Improvements in the Manufacture of Wrench-Heads | wrench jaw components |
| 283,557 | Aug. 21, 1883 | F.P. Barney | Process of and Apparatus for Manufacturing Continuous Lengths of Coiled Wire | wire drawing machines |
| 427,435 | May 06, 1890 | F.B. Manville | Machine for drawing shells | |
| 669,103 | Mar. 05, 1901 | C.D. Rice | Forging Machine | forging apparatus and accessories |
| 2,835,152 | May 20, 1958 | M.W. Lamprecht | Stock feeding device for forging machine | forging machines |
| 2,868,268 | Jan. 13, 1959 | V.A. Zaverruha, T.E. Lewis, Jr. | Coil-Forming Machine with Generator Controlled Spindle Postitioning Means | coil forming |
