Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8561998 | Nitrided piston ring resistant to the propagation of cracks | Gisela Ablas Marques, André Ferrarese, Jan Vatavuk | 2013-10-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8561998 | Nitrided piston ring resistant to the propagation of cracks | Gisela Ablas Marques, André Ferrarese, Jan Vatavuk | 2013-10-22 |