| All Patents in class 83/197 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 142,926 | Sep. 16, 1873 | W. Lyon | Improvement in Combined Punching and Shearing Machines | splitting and shearing machinery |
| 472,210 | Apr. 05, 1892 | W.H. Flinn | Tool for Cutting Sheet Metal and Wire | metal shearing machines |
| 855,766 | Jun. 04, 1907 | R. Gerlach | Shearing Machine | metal shearing machines |
| 1,831,447 | Nov. 10, 1931 | R. Heinrich | Metal cutting instrument | metal shearing machines |
| 3,169,433 | Feb. 16, 1965 | B.B. Stockard, Jr. | Metal working machine | |
| 3,263,541 | Aug. 02, 1966 | B.B. Stockard, Jr. | Metal working machines | |
| 5,170,689 | Dec. 15, 1992 | J. Dvorak | Metal working machine | metal punching machines |
