| All Patents in class 83/200 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 146,846 | Jan. 27, 1874 | W.X. Stevens | Improvement in shears for cutting off bar-iron | metalworking machines |
| 833,294 | Oct. 16, 1906 | G.J. Blum | Punching and shearing mechanism | metal punching machines |
| 1,389,565 | Aug. 30, 1921 | J. Jensen | Machine element | metal punching machines |
| 1,831,447 | Nov. 10, 1931 | R. Heinrich | Metal cutting instrument | metal shearing machines |
| 2,288,385 | Jun. 30, 1942 | C.L. Beard | Rivet cutter | riveting machines |
| 2,348,877 | May 16, 1944 | C.L. Beard | Rivet cutter | riveting machines |
| 5,170,689 | Dec. 15, 1992 | J. Dvorak | Metal working machine | metal punching machines |
