| All Patents in class 451/241 |
Patents 1 -
15
of 16
      |
| Number | Date | Patentee | Title | Type |
| 335,984 | Feb. 09, 1886 | F.S. White | Grinding apparatus | sharpening machines |
| 353,539 | Nov. 30, 1886 | J. Casey | Box-making machine | box making machines |
| 521,646 | Jun. 19, 1894 | R. Dutton | Grinding-machine | sharpening machines |
| 651,839 | Jun. 19, 1900 | A.D. Erb | Sanding machine | sanding machines |
| 698,315 | Apr. 22, 1902 | E.S. Shimer, H.A. Pardoe | Grinding-machine | cutter grinding machines |
| 1,153,479 | Sep. 14, 1915 | E.F. Beugler | Combined belt- and drum-sanding machine | sanding machines |
| 1,264,129 | Apr. 23, 1918 | M.O. Reeves | Grinding Machine | |
| 1,267,447 | May 28, 1918 | T.N. Phelan | Work Guide and Support for Drill Presses | drill presses |
| 1,277,472 | Sep. 03, 1918 | W.B. Peirce | Grinding Machine | |
| 1,539,829 | Jun. 02, 1925 | F.L. Cole | Guard and work-rest mounting | |
| 2,019,042 | Oct. 29, 1935 | R.G. Anderson, J.Y. Blazek | Arc transferring means | vehicle mechanic |
| 2,182,725 | Dec. 05, 1939 | C. Jones | Tiltable adjustable sanding wheel | sanding machines |
| 2,188,595 | Jan. 30, 1940 | T.L. Hedgpeth | Mounting for power tool | handheld power tools |
| 2,257,407 | Sep. 30, 1941 | C.C. Wulff | Knife sharpener | sharpening apparatus |
| 2,416,493 | Feb. 25, 1947 | H.S. Newton | Sanding belt machine | sanding machines |
