Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816624 | Multiphase gas expansion circuit breaker for gas-insulated metalclad cell | Gerard Perrissin, Lucien Marsala, Jean-Paul Robert | 1989-03-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816624 | Multiphase gas expansion circuit breaker for gas-insulated metalclad cell | Gerard Perrissin, Lucien Marsala, Jean-Paul Robert | 1989-03-28 |