Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5161008 | Optoelectronic image sensor for color cameras | — | 1992-11-03 |
| 4961026 | Proximity focused image intensifier having a glass spacer ring between a photocathode and a fluorescent screen disk | Kurt Frank, Bernd Engel | 1990-10-02 |
| 4293790 | Image converter having cylindrical housing and photocathode separated by spacing element from luminescent screen on frustrum | Kurt Frank, Gunter Flasche | 1981-10-06 |
| 4254437 | Image intensifier attachment for attachment to the front lens of a television camera | Bernd Engel | 1981-03-03 |