Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881680 | Process for the production of a composite camshaft | Peter Toelke | 1989-11-21 |
| 4798178 | Compound camshaft and method of manufacturing the same | Karl Gut, Klaus Hornung, Guther Schulte | 1989-01-17 |