Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820580 | Process for the production of a composite system of a highly elastic material and a polyurethane foam layer and product formed thereby | Jurgen Hocker, Jurgen Faehndrich, Hans Hespe, Kirkor Sirinyan | 1989-04-11 |