| All Patents in class 451/282 |
Patents 1 -
10
of 14
      |
| Picture | Number | Date | Patentee | Title |
 | 228,574 | Jun. 08, 1880 | C. Vogel | Grinding-machine for file-blanks |
| | 433,054 | Jul. 29, 1890 | J.M. Sweet | Machine for finishing wheel-rims |
| | 720,912 | Feb. 17, 1903 | G. Gorton | Flat Surface Grinding Machine |
| | 909,319 | Jan. 12, 1909 | A.M. McLeran | Sharpening Machine |
| | 909,707 | Jan. 12, 1909 | H.E. Sweet | Cutlery Grinder |
 | 1,013,760 | Jan. 02, 1912 | F.N. Gardner, F.E. Gardner | Disk grinder |
 | 1,193,525 | Aug. 08, 1916 | P. Dosch, C.R. Dosch | Disk-grinding machine |
 | 1,220,086 | Mar. 20, 1917 | B.L. Fry | Grinding-machine |
| | 2,315,891 | Apr. 06, 1943 | V.R. Roy, G.E. Sears, J.Y. Blazek | Apparatus for resurfacing |
 | 2,645,886 | Jul. 21, 1953 | D.R. Peterson | Surface Grinder |
