| All Patents in class 451/146 |
Patents 1 -
10
of 16
      |
| Picture | Number | Date | Patentee | Title |
 | 16,223 | Dec. 16, 1856 | E. Andrews | Improved machine for grinding saws |
 | 16,782 | Mar. 10, 1857 | E. Andrews | Machine for grinding saws |
 | 156,989 | Nov. 17, 1874 | H. Disston | Improvement in Saw Grinding Machines |
| | 252,943 | Jan. 31, 1882 | A. Hessels | Machine for Grinding the Laps of Polishing Machines |
| | 271,680 | Feb. 06, 1883 | W.P. Barclay | Car Wheel Borer and Truing Machine |
| | 285,123 | Sep. 18, 1883 | J.H. Gowan | Car Wheel Boring and Truing Machine |
 | 287,340 | Oct. 23, 1883 | J.R. Thomas, H.J. Cordesman, F. Danner | Double-drum sand-papering machine |
| | 287,762 | Oct. 30, 1883 | J.H. Gowan | Car Wheel Truing Machine |
| | 409,337 | Aug. 20, 1889 | E.B. Rich | Machine for grinding knives and saws |
| | 429,700 | Jun. 10, 1890 | E.H. Parks | Grinding Machine |
