Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885658 | Apparatus for controlling the operation of an electromagnetic fuel intake or exhaust valve of an internal combustion engine | — | 1989-12-05 |
| 4846120 | Method of operating an internal combustion engine | — | 1989-07-11 |
| 4841923 | Method for operating I.C. engine inlet valves | — | 1989-06-27 |
| 4823825 | Method of operating an electromagnetically actuated fuel intake or exhaust valve of an internal combustion engine | — | 1989-04-25 |