| All Patents in class 74/522 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 48,017 | May 30, 1865 | S.F. Gamage | Pipe Wrench | pipe tongs |
| 171,766 | Jan. 04, 1876 | P. Broadbooks | Shearing Machine | metal shearing machines |
| 248,744 | Oct. 25, 1881 | B. Holmes | Machine for grinding steel bars | grinders |
| 278,084 | May 22, 1883 | J.L. Bogert | Device for reciprocating the cutter-heads of planing and slotting machines | metal planers |
| 436,139 | Sep. 09, 1890 | C.A. Juengst | Shaping and Slotting Machine | metal shapers |
| 502,621 | Aug. 01, 1893 | W.R. Fox | Shaping Machine | metal shapers |
| 2,995,961 | Aug. 15, 1961 | B.S. Eldridge, E.C. Warrick | Adjustable manual feed | drill presses |
