| All Patents in class 409/33 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 2,123,717 | Jul. 12, 1938 | W.F. Dalzen | Gear Finishing Machine | gear making machines |
| 2,232,408 | Feb. 18, 1941 | S.M. Shaw | Gear Finishing Machine | gear making machines |
| 2,344,292 | Mar. 14, 1944 | J.C. Drader | Method of Finishing Gears | gear making machines |
| 2,504,578 | Apr. 18, 1950 | H. Pelphrey | Internal Gear Shaving Machine | gear making machines |
| 2,749,802 | Jun. 12, 1956 | W.R. Carsen | Shaving Cutter for Gears | gear making machines |
| 2,962,799 | Dec. 06, 1960 | A.D. Moncrieff | Gear Cutting Device | gear making machines |
