Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869064 | Exhaust gas line for a supercharged, multi-cylinder piston internal combustion engine | — | 1989-09-26 |
| 4860716 | Multi-cylinder diesel internal combustion engine with low compression ratio in the cylinders | — | 1989-08-29 |
| 4807436 | Arrangement for the mounting of exhaust gas lines | Gerd-Michael Wolters, Otto Reifenscheid | 1989-02-28 |