| All Patents in class 83/518 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 31,835 | Mar. 26, 1861 | T.F. Taft | Shear and punch | metal punching machines |
| 314,221 | Mar. 24, 1885 | C.M. Carnahan | Machine for Splitting Bars and Sheets of Iron or Steel | punch presses |
| 421,895 | Feb. 25, 1890 | A. Beaudry | Machine for punching and shearing metal | metal punching machines |
| 655,597 | Aug. 07, 1900 | R. Bates | Combined Metal Working Machine | blacksmith |
| 855,765 | Jun. 04, 1907 | R. Gerlach | Punching and shearing machine | metal punching machines |
| 973,124 | Oct. 18, 1910 | J. Monsos | Combined Punch and Shear | metal punching machines |
| 1,068,344 | Jul. 22, 1913 | L.D. Jannell | Punching and shearing machine | metal punching machines |
| 5,170,689 | Dec. 15, 1992 | J. Dvorak | Metal working machine | metal punching machines |
