Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4931767 | Device for visibility measurement for a motor vehicle | Hans-Peter Albrecht, Siegfried Reiniger, Hans Spies, Horst Laucht, Martin Spies | 1990-06-05 |
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4931767 | Device for visibility measurement for a motor vehicle | Hans-Peter Albrecht, Siegfried Reiniger, Hans Spies, Horst Laucht, Martin Spies | 1990-06-05 |