Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5643970 | Method and apparatus for foam manufacture using carbon dioxide dissolved under pressure | Hans-Michael Sulzbach, Ferdinand Althausen, Herbert Steilen, Reiner Raffel, Robert Eiben | 1997-07-01 |