| All Patents in class 451/125 |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 130,741 | Aug. 20, 1872 | J.M. Poole | Improvement in Machines for Grinding Objects Cylindrical | cylindrical grinders |
| 1,209,594 | Dec. 19, 1916 | A.H. Kling | Axle Truing Device | axle cutters and threaders |
| 1,419,073 | Jun. 06, 1922 | C.H. Norton | Machine for forming rolls | cylindrical grinders |
| 1,440,386 | Jan. 02, 1923 | C.L. Hawes | Polishing and Grinding Machine | polishing machines |
| 1,840,231 | Jan. 05, 1932 | F.S. Haas, R.E. Harrison | Grinding Machine | grinding machines |
| 1,972,623 | Sep. 04, 1934 | R.E. Harrison | Grinding Machine | grinding machines |
| 2,111,271 | Mar. 15, 1938 | L.F. Nenninger | Apparatus for Lapping | lapping machines |
| 2,425,859 | Aug. 19, 1947 | O.M. Braaten | Cutter Grinder | tool grinders |
| 2,696,066 | Dec. 07, 1954 | E.G. Roehm | Grinding Machine | profile and contour grinders |
| 2,819,566 | Jan. 14, 1958 | A.M. Johnson | Hone expansion control mechanism | honing machines |
| 2,872,853 | Feb. 10, 1959 | J.H. Hoern | Milling and boring machine | milling machines |
| 3,713,254 | Jan. 30, 1973 | L.H. Cheever, T.V. Williams | Controlled Tool for Machining Compound Surfaces | cutter grinding machines |
