| All Patents in class 451/18 |
Patents 1 -
10
of 22
      |
| Picture | Number | Date | Patentee | Title |
| | 591,357 | Oct. 05, 1897 | C.H. Norton | Micrometer Feed for Grinding or Other Machines |
 | 654,314 | Jul. 24, 1900 | A.B. Landis | Grinding-machine |
 | 732,184 | Jun. 30, 1903 | B.M. Hanson | Dimensioning apparatus |
 | 781,434 | Jan. 31, 1905 | A.B. Landis | Automatic sizing mechanism for grinding-machines |
 | 879,276 | Feb. 18, 1908 | A.B. Landis | Grinding-machine |
 | 956,208 | Apr. 26, 1910 | E.F. Smith | Grinding-machine |
 | RE13,892 | Mar. 16, 1915 | C.E. Van Norman | Machine for grinding bearing-races |
| | 1,424,764 | Aug. 08, 1922 | C. Knowles | Surface Grinder |
 | 1,722,691 | Jul. 30, 1929 | C.E. Van Norman | Grinding machine |
| | 1,861,279 | May 31, 1932 | M.I. Mathewson | Grinding Machine |
