Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4198707 | Soft protective construction | Gunter Haupt, Franz Fischer, Erhard Bross | 1980-04-22 |
| 4182843 | Method for producing castings by activated anionic polymerization of lactams | Gunter Haupt, Franz Fischer | 1980-01-08 |