Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5980310 | Power supply unit for portable apparatus and of the type enabling various types of power source to be used, and corresponding portable apparatus | Robert Bertrand | 1999-11-09 |
| 5231659 | Telephone handset with transducer assembly | Denis Abraham, Didier Beauval | 1993-07-27 |