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