| All Patents in class 451/258 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 14,950 | May 27, 1856 | W. Clemson | Grinding circular saws | saw sharpening machines |
| 27,221 | Feb. 21, 1860 | C.W. Hubbard | Machine for grinding and polishing saws | saw sharpening machines |
| 70,788 | Nov. 12, 1867 | T. Birch, A. Sowden | Improvement in grinding machine for circular saws | making sawblades |
| 259,728 | Jun. 20, 1882 | J.N. Smith | Tool for Dressing Car Wheels and Axles | axle lathes |
| 288,717 | Nov. 20, 1883 | A.W. McIntyre | Machine for Grinding Car Wheels | grinding machines |
| 2,019,042 | Oct. 29, 1935 | R.G. Anderson, J.Y. Blazek | Arc transferring means | vehicle mechanic |
