Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857376 | Motor vehicle glass pane | Paul Derner, Rudolf Quenett, Guenter Armbruster | 1989-08-15 |
| 4422280 | Insulating glass unit | Dietrich Mertin, Paul Derner | 1983-12-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857376 | Motor vehicle glass pane | Paul Derner, Rudolf Quenett, Guenter Armbruster | 1989-08-15 |
| 4422280 | Insulating glass unit | Dietrich Mertin, Paul Derner | 1983-12-27 |