Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5623385 | Rotary scanning device | Peter Lameli, Hartmut Willmann, Werner Maack | 1997-04-22 |
| 4541557 | Magnetic tape guide roller system | Wolfgang Fell, Heinrich Zahn, Winfried Buchel | 1985-09-17 |
| 4376962 | Automatic threading magnetic tape recording apparatus, particularly video tape recorder | Theo Wolf | 1983-03-15 |
| 4254922 | Tape cassette | Theo Wolf, Dieter Gause, Hans-Dieter Schneider | 1981-03-10 |