Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5602190 | Process for the production of hard polyurethane foams | Wilhelm Lamberts, Norbert Eisen | 1997-02-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5602190 | Process for the production of hard polyurethane foams | Wilhelm Lamberts, Norbert Eisen | 1997-02-11 |