Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852353 | Method and an arrangement for controlling the working cycle of a turbocharged internal combustion engine | — | 1989-08-01 |
| 4829949 | Valve mechanism for an internal combustion engine | — | 1989-05-16 |
| 4815423 | Method for controlling the working cycle of an internal combustion engine | — | 1989-03-28 |