Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5038045 | Composite electromagnetic lens with variable focal distance | Jean-Michel Rouberol | 1991-08-06 |
| 4508967 | Electronic optical apparatus comprising pyrolytic graphite elements | Pierre Boissel | 1985-04-02 |