| Patents for William F. Dalzen |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 1,961,925 | Jun. 05, 1934 | W.F. Dalzen, J.C. Drader | Testing Device | gear measuring machines |
| 2,123,717 | Jul. 12, 1938 | W.F. Dalzen | Gear Finishing Machine | gear making machines |
| 2,267,692 | Dec. 23, 1941 | W.F. Dalzen | Method of Cutting and Finishing Gear Teeth | gear making machines |
| 2,277,213 | Mar. 24, 1942 | W.F. Dalzen | Thread grinding machines | thread grinders |
| 2,305,144 | Dec. 15, 1942 | W.F. Dalzen | Cutting Tool | gear cutting tools |
| 2,308,317 | Jan. 12, 1943 | J. Sneed | Grinding wheel dresser | grinder dressers |
