Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7191521 | Advanced geometry of skew and straight bevel gears produced by forging | Faydor L. Litvin, Xiangshun Zhao, John Sofia | 2007-03-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7191521 | Advanced geometry of skew and straight bevel gears produced by forging | Faydor L. Litvin, Xiangshun Zhao, John Sofia | 2007-03-20 |