Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5633292 | Method for producing cold polyurethane foams | Georg Burkhart, Volker Zellmer | 1997-05-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5633292 | Method for producing cold polyurethane foams | Georg Burkhart, Volker Zellmer | 1997-05-27 |