Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6957489 | Method for producing a light-alloy bearing bush with a rough external surface | Karlheinz Bing, Martin Ruhle, Frank Winger | 2005-10-25 |
| 5947065 | Piston with cooling channel | Karlheinz Bing, Martin Ruhle, Heinz Wimmer | 1999-09-07 |