Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5142399 | Message transmission system | Michel P. Bertrand, Yves R. Castanet | 1992-08-25 |
| 5008543 | System for determining the position of at least one target by triangulation | Michel P. Bertrand, Andre R. Delclaux | 1991-04-16 |