| All Patents in class 451/451 |
Patents 1 -
10
of 52
      |
| Picture | Number | Date | Patentee | Title |
 | 64,849 | May 21, 1867 | W.H. Doane, G.V. Orton, W.E. London | Improvement in planing machines |
 | 85,819 | Jan. 12, 1869 | J.L. Haven | Improvement in grindstone-journal boxes |
 | 92,609 | Jul. 13, 1869 | J. Hatch | Improvement in variety molding-machine |
| | 119,282 | Sep. 26, 1871 | A. Saffer | Polishing Stone |
 | 124,134 | Feb. 27, 1872 | C. Heaton | Improvement in cowls for emery-wheels |
| | 270,166 | Jan. 02, 1883 | E.A. Warren | Lathe Stand |
 | 288,717 | Nov. 20, 1883 | A.W. McIntyre | Machine for Grinding Car Wheels |
| | 354,690 | Dec. 21, 1886 | H. Cleary | Tool-holder for grindstones |
 | 359,964 | Mar. 22, 1887 | R. Dutton | Machine for grinding mower-knives |
| | 375,821 | Jan. 03, 1888 | A. Vallentine, E.R. Hyde | Grinding Machine |
