| All Patents in class 74/571.1 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 62,897 | Mar. 12, 1867 | O. Snow | Improvement in punching machines | metal punching machines |
| 272,648 | Feb. 20, 1883 | W.A. Clarke | Reversing-gear for steam-engines | steam engines |
| 368,771 | Aug. 23, 1887 | A.B. Landis | Valve-gear | |
| 421,297 | Feb. 11, 1890 | J. Mills | Adjustable Crank Pin | metal shapers |
| 1,258,020 | Mar. 05, 1918 | W. Klocke | Adjustable-stroke press | metalworking presses |
| 2,241,637 | May 13, 1941 | A.H. Dall, H. Ernst | Dynamic Balancing Mechanism for Machine Tools | grinding machines |
| 2,834,223 | May 13, 1958 | J.J. Strnad | Adjustable eccentric | metalworking machine mechanisms |
