Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4448082 | Differential type transit-time ionic pickup | Roger Barriol, Jean-Marie Bouvet | 1984-05-15 |
| 4409822 | Ionic pickup for the transit time between an emission area and a receiving area | Roger Bariol, Jean-Marie Bouvet | 1983-10-18 |