Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4255765 | Theodolite for tracking and measuring a flying object with a TV camera arranged at a telescope | C. Friso van Mansvelt, Hansruedi Ritter | 1981-03-10 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4255765 | Theodolite for tracking and measuring a flying object with a TV camera arranged at a telescope | C. Friso van Mansvelt, Hansruedi Ritter | 1981-03-10 |