Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7827902 | Piston for a reciprocating-piston internal combustion engine provided with hardened piston ring grooves | Anja Luepfert | 2010-11-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7827902 | Piston for a reciprocating-piston internal combustion engine provided with hardened piston ring grooves | Anja Luepfert | 2010-11-09 |