Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4975103 | Process for producing a planar glass substrate coated with a dielectric layer system | Ulrich Ackermann, Heinz-Werner Etzkorn, Ralf Kersten, Volker Paquet | 1990-12-04 |