Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9598763 | Piston ring for internal combustion engines | Manfred Fischer, Ralf Lammers, Steffen Hoppe | 2017-03-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9598763 | Piston ring for internal combustion engines | Manfred Fischer, Ralf Lammers, Steffen Hoppe | 2017-03-21 |