Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868235 | Thermoplastic molding materials | Klaus Muehlbach, Michael Portugall, Karl Ruppmich, Erhard Seiler | 1989-09-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868235 | Thermoplastic molding materials | Klaus Muehlbach, Michael Portugall, Karl Ruppmich, Erhard Seiler | 1989-09-19 |