| All Patents in class 451/451 |
Patents 1 -
15
of 51
      |
| Number | Date | Patentee | Title | Type |
| 64,849 | May 21, 1867 | W.H. Doane, G.V. Orton, W.E. London | Improvement in planing machines | molders |
| 85,819 | Jan. 12, 1869 | J.L. Haven | Improvement in grindstone-journal boxes | bench or pedestal grinders |
| 92,609 | Jul. 13, 1869 | J. Hatch | Improvement in variety molding-machine | molders |
| 119,282 | Sep. 26, 1871 | A. Saffer | Polishing Stone | polishing and buffing machinery |
| 124,134 | Feb. 27, 1872 | C. Heaton | Improvement in cowls for emery-wheels | grinders |
| 270,166 | Jan. 02, 1883 | E.A. Warren | Lathe Stand | metal lathe accessories and attachments |
| 288,717 | Nov. 20, 1883 | A.W. McIntyre | Machine for Grinding Car Wheels | grinding machines |
| 354,690 | Dec. 21, 1886 | H. Cleary | Tool-holder for grindstones | bench or pedestal grinders |
| 359,964 | Mar. 22, 1887 | R. Dutton | Machine for grinding mower-knives | sharpeners |
| 375,821 | Jan. 03, 1888 | A. Vallentine, E.R. Hyde | Grinding Machine | grinding machines |
| 397,575 | Feb. 12, 1889 | S.A. Woods, J.R. Thomas | Planing machine | wood planers |
| 446,148 | Feb. 10, 1891 | A.B. Landis | Grinding-machine | grinders |
| 471,380 | Mar. 22, 1892 | P. Forg | Grinding Attachment | grinding attachments |
| 530,238 | Dec. 04, 1894 | R.S. Peabody | Guard for Lathes | metal lathe accessories and attachments |
| 640,669 | Jan. 02, 1900 | A.B. Landis | Grinding-machine | grinders |
