Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7950305 | Toothing system of a gearwheel having involute roller toothing | Jin-Hong Li | 2011-05-31 |
| 7926379 | Gear pair consisting of a crown gear and of a pinion gear | Heinrich Stettinger, Frank Zerling | 2011-04-19 |