Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8230831 | Exhaust valve mechanism for internal combustion engine | Per Persson, Hans Bondeson, Johan Grankvist | 2012-07-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8230831 | Exhaust valve mechanism for internal combustion engine | Per Persson, Hans Bondeson, Johan Grankvist | 2012-07-31 |