| All Patents in class 74/571.1 |
Patents 1 -
8
of 8
      |
| Picture | Number | Date | Patentee | Title |
 | 62,897 | Mar. 12, 1867 | O. Snow | Improvement in punching machines |
 | 272,648 | Feb. 20, 1883 | W.A. Clarke | Reversing-gear for steam-engines |
 | 368,771 | Aug. 23, 1887 | A.B. Landis | Valve-gear |
 | 421,297 | Feb. 11, 1890 | J. Mills | Adjustable Crank Pin |
| | 734,417 | Jul. 21, 1903 | J.H. Hubbell | Balancing device for revolving bodies |
| | 1,258,020 | Mar. 05, 1918 | W. Klocke | Adjustable-stroke press |
| | 2,241,637 | May 13, 1941 | A.H. Dall, H. Ernst | Dynamic Balancing Mechanism for Machine Tools |
| | 2,834,223 | May 13, 1958 | J.J. Strnad | Adjustable eccentric |
