| All Patents in class 451/363 |
Patents 1 -
15
of 51
      |
| Number | Date | Patentee | Title | Type |
| 70,479 | Nov. 05, 1867 | J.H. Sternbergh | Improvement in Metal Planers | surface grinders |
| 70,483 | Nov. 05, 1867 | A. Thomas | Lathe Way Smoother | surface grinders |
| 293,398 | Feb. 12, 1884 | W.P. Barclay | Abrading Tool | lathe tools |
| 525,472 | Sep. 04, 1894 | F.E. Schmitt | Cylinder-adjusting mechanism for polishing-machines | sanding machines |
| 590,665 | Sep. 28, 1897 | D.J. Lattimore | Wood sanding and polishing machine | sanding machines |
| 595,445 | Dec. 14, 1897 | F.E. Schmitt | Cylinder adjustment for sanders | sanding machines |
| 712,537 | Nov. 04, 1902 | C.S. Hisey | Electric grinding device | handheld power tools |
| 856,662 | Jun. 11, 1907 | G.W. Smith | Face-mill grinder | tool grinders |
| 938,803 | Nov. 02, 1909 | C.E. Van Norman | Metal-working machinery | cylindrical grinders |
| 945,455 | Jan. 04, 1910 | B.M. Hanson | Reducing-machine | milling machines |
| 1,052,605 | Feb. 11, 1913 | S. MacKay | Grinding Machine | sharpening machines |
| 1,143,691 | Jun. 22, 1915 | A.L. De Leeuw | Grinder Structure | tool grinders |
| 1,182,861 | May 09, 1916 | H.K. Spencer | Metal Working Tool | dial indicator gauges |
| 1,275,218 | Aug. 13, 1918 | C.H. Calkins | Machine for Grinding Worm Threads | |
| 1,281,015 | Oct. 08, 1918 | W.P. Hunt | Grinding Machine | |
