Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5857698 | Gas generator free of pyrotechnics | Franz Fuerst, Marc Winterhalder, Siegfried Zeuner | 1999-01-12 |
| 5525170 | Fumaric acid-based gas generating compositions for airbags | Siegfried Zeuner, Karl-Heinz Rodig | 1996-06-11 |