Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820771 | High impact polyamides | Bernhard Mussig, Rolf-Volker Meyer, Rolf Dhein | 1989-04-11 |
| 4806603 | Polyester resin compositions which can be hardened with little shrinkage | Bernhard Hess, Oskar Walter | 1989-02-21 |