| All Patents in class 83/601 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 145,549 | Dec. 16, 1873 | J.B. Bancroft | Improvement in machines for preparing printers' rules | tool making machines |
| 403,980 | May 28, 1889 | W.H. Adams | Anvil Shears for Cutting Metal | blacksmith |
| 786,053 | Mar. 28, 1905 | W. Ross | Metal Shaping Machine | metal shearing machines |
| 1,122,319 | Dec. 29, 1914 | A.O. Slentz | Alligator-shears | metal shearing machines |
| 1,389,565 | Aug. 30, 1921 | J. Jensen | Machine element | metal punching machines |
| 1,472,329 | Oct. 30, 1923 | E.J. Dreis | Combined Shear and Notcher | metal shearing machines |
| 1,843,655 | Feb. 02, 1932 | G.A. Ungar | Cutting shear | metal shearing machines |
| 2,370,311 | Feb. 27, 1945 | L.L. Hercik | Alligator shear | metal shearing machines |
| 3,004,458 | Oct. 17, 1961 | J.R. Dvorak | Hydraulic powered oscillating shear | metal shearing machines |
