Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5611202 | Turbocharged internal combustion engine | Siegfried Sumser, Herbert Schillings | 1997-03-18 |
| 5609134 | Operating mechanism for an engine brake valve of an internal combustion engine | Eberhard Schneider, Siegfried Lamsbach | 1997-03-11 |