| All Patents in class 74/585 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 364,208 | Jun. 07, 1887 | J.R. Blakeslea | Bolt Heading Machine | bolt heading machines |
| 739,992 | Sep. 29, 1903 | G.T. Strite, F.F. Davidson | Yieldable Pitman for Power Hammers | power hammers |
| 1,121,886 | Dec. 22, 1914 | A.K. Wittlinger | Attachment for Power Presses | power hammers |
| 1,300,240 | Apr. 15, 1919 | J.R. Blakeslee | Safety Device for Forging-Machines and the Like | forging apparatus and accessories |
| 1,349,033 | Aug. 10, 1920 | E.W. Zeh | Power-press | stamping presses |
| 1,786,006 | Dec. 23, 1930 | W.W. Criley | Safety Device | forging apparatus and accessories |
