Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7997584 | Piston ring for the piston of an internal combustion engine | Tino Gallas, Klaus Koeble | 2011-08-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7997584 | Piston ring for the piston of an internal combustion engine | Tino Gallas, Klaus Koeble | 2011-08-16 |