| All Patents in class 451/441 |
Patents 1 -
15
of 15
      |
| Number | Date | Patentee | Title | Type |
| 549,764 | Nov. 12, 1895 | J.J. Cain | Machine for Refacing Surfaces of Hand Holes | portable turning tools |
| 692,129 | Jan. 28, 1902 | G.W. Nimon, D.R. Ferguson | Roll Polishing Apparatus | polishing machines |
| 764,341 | Jul. 05, 1904 | J.P. Bond | Pipe Threading Hand Lathe | pipe threading machines |
| 884,966 | Apr. 14, 1908 | M.H. Westbrook | Crank Pin Turning Machine | portable turning tools |
| 1,026,022 | May 14, 1912 | W.F. Cremean | Grinding Machine | cylindrical grinders |
| 1,209,594 | Dec. 19, 1916 | A.H. Kling | Axle Truing Device | axle cutters and threaders |
| 1,445,857 | Feb. 20, 1923 | W.N. Stevens | Cylinder Grinding Machine | cylindrical grinders |
| 1,554,610 | Sep. 22, 1925 | G.P. Webster | Brake Adjusting Gauge | brake adjusting tools |
| 1,898,136 | Feb. 21, 1933 | R.H. Miller, A.L. Miller | Brake Adjusting Tool | brake adjusting tools |
| 2,179,465 | Nov. 07, 1939 | J.Y. Blazek | Crankshaft grinder | vehicle mechanic |
| 2,289,694 | Jul. 14, 1942 | P. Schrick, J.Y. Blazek, E.M. McGovern | Grinder support | crankshaft maintenance |
| 2,290,731 | Jul. 21, 1942 | J.Y. Blazek | Axle-shaft or brake-shoe chuck | metal lathe chucks |
| 2,304,674 | Dec. 08, 1942 | J.Y. Blazek, V.R. Roy, G.E. Sears | Brake lining grinder | brake maintenance |
| 2,308,352 | Jan. 12, 1943 | J.Y. Blazek, G.E. Sears | Grinding tool speed reducer | crankshaft maintenance |
| 4,802,310 | Feb. 07, 1989 | R.W. Holmes | Sander Attachment | handheld power sanders |
