Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876418 | Device for rendering contactors electrically and mechanically inoperative | — | 1989-10-24 |
| 4803587 | Arrangement for change-over contact apparatus protection with interlocking member and module | Maurice Contal, Andre Vergez | 1989-02-07 |