| All Patents in class 74/412R |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 374,908 | Dec. 13, 1887 | J.S. Bancroft, W. Sellers | Planing Machine for Metals | metal planers |
| 602,161 | Apr. 12, 1898 | A. Howard | Motive Engine | steam engines |
| 617,529 | Jan. 10, 1899 | A. Howard | Motive Engine | steam engines |
| 1,429,942 | Sep. 26, 1922 | C.W. Francis | Oil guard | washing machines |
| 1,684,665 | Sep. 18, 1928 | W.W. Edwards | Radial drill | radial drill presses |
| 2,780,893 | Feb. 12, 1957 | E.Y. Seborg, D.K. Greenberg | Honing machine | honing machines |
| 2,781,616 | Feb. 19, 1957 | M.R. Estabrook | Honing machine | honing machines |
| 3,788,158 | Jan. 29, 1974 | A.J. Firth | Trip Device for Use in a Feed Mechanism of a Machine | metalworking machine mechanisms |
