Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5717766 | Stereophonic sound reproduction apparatus using a plurality of loudspeakers in each channel | Alain Azoulay | 1998-02-10 |
| 4734867 | System for displaying evolution of one physical parameter compared with development of another physical parameter | Paul Janin | 1988-03-29 |