Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5905096 | Continuous production process of expandable styrene polymer beads | Swen Ruck, Michael Schiessl, Michael Witt, Hans D. Zettler, Michael Baumgartel +5 more | 1999-05-18 |