Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4303949 | Magnetic recording device for providing security related information | — | 1981-12-01 |
| 4273603 | Process for transfer of a magnetic layer from a temporary to a permanent support | Bernard Couturier, Christian Fombert | 1981-06-16 |