Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373081 | Polyether ketones and polyether sulfones based on phenylindane, and the use thereof for optical systems | Gerhard Maier, Oskar Nuyken, Michael-Joachim Brekner, Freddy Helmer-Metzmann | 1994-12-13 |