Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6499908 | Locking system | Heinz Grunewald | 2002-12-31 |
| 6450272 | Rock drill | Josef Starkmann, Karl Hofmann, Tim Pröls | 2002-09-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6499908 | Locking system | Heinz Grunewald | 2002-12-31 |
| 6450272 | Rock drill | Josef Starkmann, Karl Hofmann, Tim Pröls | 2002-09-17 |