| All Patents in class 72/451 |
Patents 16 -
24
of 24
      |
| Number | Date | Patentee | Title | Type |
| 788,547 | May 02, 1905 | A.G. Anderson, O.P. Miklebost | Power Hammer | power hammers |
| 833,716 | Oct. 16, 1906 | P.R. Hahnemann | Sheet-metal hollow-ware drawing-press | stamping presses |
| 1,180,626 | Apr. 25, 1916 | C.J. Walker | Riveter | riveting machines |
| 1,180,643 | Apr. 25, 1916 | A. Gösser | Riveting Machine | riveting machines |
| 1,362,595 | Dec. 21, 1920 | J.R. Blakeslee | Press | forging presses |
| 1,382,293 | Jun. 21, 1921 | W.H. Kennedy | Riveting Machine | riveting machines |
| 2,995,169 | Aug. 08, 1961 | F.E. Munschauer, Jr. | Press brake | sheet metal brakes |
| 3,433,048 | Mar. 18, 1969 | V.J. Balunas, Jr., T.R. Hitch | High-speed multiple-action press | stamping presses |
| 3,599,279 | Aug. 17, 1971 | D.I. McDonald | Clamping Mechanism | coolant apparatus |
