Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829149 | Sulfur hexafluoride high-tension circuit-breaker having high performance at any temperature | Daniel Demissy, Michel Landry | 1989-05-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829149 | Sulfur hexafluoride high-tension circuit-breaker having high performance at any temperature | Daniel Demissy, Michel Landry | 1989-05-09 |