| All Patents in class 451/441 |
Patents 1 -
10
of 15
      |
| Picture | Number | Date | Patentee | Title |
| | 549,764 | Nov. 12, 1895 | J.J. Cain | Machine for Refacing Surfaces of Hand Holes |
| | 692,129 | Jan. 28, 1902 | G.W. Nimon, D.R. Ferguson | Roll Polishing Apparatus |
| | 764,341 | Jul. 05, 1904 | J.P. Bond | Pipe Threading Hand Lathe |
| | 884,966 | Apr. 14, 1908 | M.H. Westbrook | Crank Pin Turning Machine |
| | 1,026,022 | May 14, 1912 | W.F. Cremean | Grinding Machine |
| | 1,209,594 | Dec. 19, 1916 | A.H. Kling | Axle Truing Device |
| | 1,445,857 | Feb. 20, 1923 | W.N. Stevens | Cylinder Grinding Machine |
 | 1,554,610 | Sep. 22, 1925 | G.P. Webster | Brake Adjusting Gauge |
| | 1,898,136 | Feb. 21, 1933 | R.H. Miller, A.L. Miller | Brake Adjusting Tool |
| | 2,179,465 | Nov. 07, 1939 | J.Y. Blazek | Crankshaft grinder |
