Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4464621 | Test device for and method of locating faults in a two-wire line or for switching two-wire lines | Maurice Roudeau, Michel Daniel | 1984-08-07 |
| 4348570 | Electric contact device with liquid conductors | Francois J. Haussonne, Guy Moisan | 1982-09-07 |