Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4449685 | Coupling for inducing a current in the rails of a railroad track | Jean P. Salmon | 1984-05-22 |
| 4442988 | Information transmission device through the rails between a railway track and a vehicle assembly circulating on this track | Daniel M. Laurent | 1984-04-17 |