Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4467141 | Telecommunication system with radio line | Heinz Resch, Franz Machl, Helmut J. Ullrich | 1984-08-21 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4467141 | Telecommunication system with radio line | Heinz Resch, Franz Machl, Helmut J. Ullrich | 1984-08-21 |