Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6205879 | Helical and spur gear drive with double crowned pinion tooth surfaces and conjugated gear tooth surfaces | Faydor L. Litvin, Pin-Hao Feng, Dennis P Townsend, Thomas M. Sep | 2001-03-27 |