Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5347110 | Information transmission by the time modulation of a character display area | Achille Delahaye | 1994-09-13 |
| 5297205 | Portable electronic device to establish public loyalty to a medium or similar | Achille Delahaye | 1994-03-22 |