Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6362806 | Process for driving an electrochromic element | Jens Cardinal | 2002-03-26 |
| 5406295 | Window antenna for a motor vehicle body | Detlef Baranski, Peter Paulus | 1995-04-11 |
| 4829729 | Anti-eavesdropping window structure | Paul Derner | 1989-05-16 |