| All Patents in class 451/450 |
Patents 1 -
10
of 59
      |
| Picture | Number | Date | Patentee | Title |
 | 41,419 | Feb. 02, 1864 | J.G. Baker | Improvement in Grinding Saws |
 | 189,613 | Apr. 17, 1877 | E.C. Dicey | Improvement in lath machines |
| | 220,384 | Oct. 07, 1879 | G.H. Jones | Lathes for Dental Surgery |
 | 288,717 | Nov. 20, 1883 | A.W. McIntyre | Machine for Grinding Car Wheels |
 | 342,290 | May 18, 1886 | R. Dutton | Machine for Grinding Mowing Machine Knives |
 | 359,964 | Mar. 22, 1887 | R. Dutton | Machine for grinding mower-knives |
 | 367,331 | Jul. 26, 1887 | W.F. Barnes | Grindstone-frame |
| | 375,821 | Jan. 03, 1888 | A. Vallentine, E.R. Hyde | Grinding Machine |
 | 399,344 | Mar. 12, 1889 | J.M. Petersen | Machine for fitting the ends of band-saws |
 | 407,577 | Jul. 23, 1889 | J.D. Cox, Jr. | Machine for back-clearing twist-drills |
