| All Patents in class 72/449 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 78,769 | Jun. 09, 1868 | J. Swan | Machine for Upsetting Cook's Bits | making drills and augers |
| 144,969 | Nov. 25, 1873 | W. Evans | Machines for Forging Hammers | tool making machines |
| 297,659 | Apr. 29, 1884 | J.H. Baker | Forge Hammer | forging dies |
| 1,457,020 | May 29, 1923 | J.G. Collins | Mandrel and straightening press | |
| 1,655,120 | Jan. 03, 1928 | E.W. Zeh | Adjusting apparatus for power presses | metalworking presses |
| 2,260,624 | Oct. 28, 1941 | A.S. Johann | Sheet Metal Shaper | sheet metal |
| 3,260,091 | Jul. 12, 1966 | R.M. Shaw, Jr. | Bending Machine | metal bending machines |
