Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5446795 | Universal decoder for television signal scramble systems | Bruno A. Rist | 1995-08-29 |
| 5235640 | Master decoder for television signal scramble systems | Bruno A. Rist | 1993-08-10 |
| 4903297 | Restricted access television transmission system | Bruno A. Rist | 1990-02-20 |
| 4825467 | Restricted access television transmission system | Bruno A. Rist | 1989-04-25 |
| 4485364 | Reflection-compensated surface acoustic wave transducer | — | 1984-11-27 |
| 4460995 | Narrow focus compensating transducer for surface acoustic wave filter | — | 1984-07-17 |
| 4410823 | Surface acoustic wave device employing reflectors | Robert L. Miller | 1983-10-18 |
| 4375624 | Surface wave acoustic device with compensation for spurious frequency response modes | — | 1983-03-01 |
| 4336515 | Acoustic filter with harmonic rejection | Kai Hansen | 1982-06-22 |
| 4333065 | Low reflectivity apodized surface acoustic transducer with means to prevent wavefront distortion | — | 1982-06-01 |