Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884166 | Electricity station | Jean-Paul Masson | 1989-11-28 |
| 4880946 | High-or medium-tension compressed-gas circuit breaker taking circuit-breaking energy from the arc | Denis Dufournet, Michel Perret | 1989-11-14 |
| 4841788 | Energy storage device with zero latching force | Michel Perret, Jean-Paul Masson | 1989-06-27 |