Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5739669 | Electric battery management device | Marcel Brulhardt | 1998-04-14 |
| 4459542 | Spectrum analyzer having common two-channel filters, especially for voice recognition | Christian Caillon, Daniel Barbier | 1984-07-10 |