Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868656 | Method and apparatus for reducing visibility of scanning lines in television picture | Jean-Claude Guillon, Jean-Claude Rufray | 1989-09-19 |
| 4807208 | Compact-disk changer | — | 1989-02-21 |