Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4668859 | Protective zone device for a vehicle | — | 1987-05-26 |
| 4464014 | Retroreflectors, especially for beam scanning applications and beam scanning apparatus incorporating such retroreflectors | Erwin Sick, Gunter Fetzer | 1984-08-07 |