Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846557 | Matrix display device and process for controlling said device | Robert Truche | 1989-07-11 |
| 4825202 | Control means for an integrated memory matrix display and its control process | Jean Dijon | 1989-04-25 |