Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7867155 | Expander roller | Josef Kerschbaumer, Georg Gobec, Norbert Gamsjaeger, Thomas Gruber-Nadlinger | 2011-01-11 |
| 7862492 | Expander roller | Josef Kerschbaumer, Georg Gobec, Norbert Gamsjaeger, Thomas Gruber-Nadlinger | 2011-01-04 |