| All Patents in class 451/249 |
Patents 1 -
10
of 20
      |
| Picture | Number | Date | Patentee | Title |
| | 235,022 | Nov. 30, 1880 | J.T. Ridgway | Automatic Attachments to Lathes Cutting Rubber and Other Rings |
 | 764,109 | Jul. 05, 1904 | N.D. Chard | Automatic stop for lathe-carriages |
 | 945,979 | Jan. 11, 1910 | H.N. Cudworth, J.C. Spence, C.H. Norton | Machine for grinding crankshafts |
 | 1,017,879 | Feb. 20, 1912 | A.B. Landis | Grinding-machine |
| | 1,299,208 | Apr. 01, 1919 | F. Müller | Relieving Lathe |
 | 1,304,799 | May 27, 1919 | C.H. Norton | Double-head grinding machine |
 | 1,597,748 | Aug. 31, 1926 | W.M. Whitney | Wood Shaping Machine |
| | 1,932,969 | Oct. 31, 1933 | J.E. Caster, C.W. Hopkins | Grinding Machine |
| | 1,938,767 | Dec. 12, 1933 | B.A. Kearns | Grinding Machine |
 | 1,949,516 | Mar. 06, 1934 | C.H. Norton | Hydraulic wheel feeding mechanism |
