Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4725109 | Transparent covering having an antireflection coating for signs, in particular for display devices | Joachim Wank | 1988-02-16 |
| 4313655 | Focussing system with automatic control of emitted radiant power | Kurt Borowski, Istvan Cocron, Theodor Huber | 1982-02-02 |
| 4303319 | Unidirectional focussing system | Istvan Cocron | 1981-12-01 |
| 4217743 | Apparatus for processing developed photographic films and prints | Eberhard Escales, Andreas Schubert, Klaus Weber | 1980-08-19 |