Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5457739 | Method and system of interactive access to radio broadcast information elements | — | 1995-10-10 |
| 4669109 | Telephone apparatus with a fixed telephone station coupled to a mobile and detachable handset | Jean F. Duquesne, Ren/e/ Dupuy | 1987-05-26 |