Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887040 | Device for measuring the impedance of a medium along a measurement line | Thomas R. Fortescue | 1989-12-12 |
| 4875429 | Braking device for a capsule at the end of a trajectory | Michel Jamet | 1989-10-24 |