| Patents for R-O Mfg. Co. |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 2,413,436 | Dec. 31, 1946 | O.W. Dawson | Grinding Machine | tool grinders |
| CA-449,732 | Jul. 13, 1948 | O.W. Dawson | Grinding machine | cutter grinding machines |
| 2,595,093 | Apr. 29, 1952 | G.H. Mouw | Tool grinding fixture | sharpening tools and fixtures |
| 2,752,740 | Jul. 03, 1956 | G.H. Mouw | Form relieving fixture | sharpening tools and fixtures |
| 2,764,855 | Oct. 02, 1956 | O.W. Dawson | Fixture for positioning tool relative to grinding head | cutter grinding machines |
| 2,911,770 | Nov. 10, 1959 | O.W. Dawson | Fixture for positioning tool relative to grinding head | cutter grinding machines |
