| All Patents in class 193/44 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 218,714 | Aug. 19, 1879 | C.G. Cooper | Traction Engine | steam traction engines |
| 221,266 | Nov. 04, 1879 | M.D. Harter, Executor, J. Allonas, deceased (Estate of) | Portable Engine | portable steam engines |
| 295,705 | Mar. 25, 1884 | G.R. Williams | Button Machine | button making machinery |
| 593,157 | Nov. 02, 1897 | Z.T. Furbish | Ratchet mechanism | spiral screwdrivers |
| 894,673 | Jul. 28, 1908 | G.O. Leopold | Ratchet mechanism | ratcheting screwdrivers |
| 2,544,795 | Mar. 13, 1951 | R.G. Knudsen | Reversible Ratchet Mechanism | ratchet wrenches |
| 2,554,699 | May 29, 1951 | R.M. Gamble | Gripper Transfer Device | workpiece changers and storage mechanisms |
| 2,649,032 | Aug. 18, 1953 | A.D. Moncrieff | Device for Gravity Feed of Gears to Gear Shaving Tools | workpiece changers and storage mechanisms |
