Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4930888 | Situation display system for attachment to a headgear | Horst Freisleben, Gunther Sepp, Richard Benedikter, Werner Schnaebele | 1990-06-05 |
| 4866229 | Apparatus for transmitting optical information through a viewer's headset | — | 1989-09-12 |