Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6708880 | System and method for authenticating manufactured articles provided with magnetic marking and method for marking such articles | Olivier Acher | 2004-03-23 |
| 4671885 | Process for the preparation of magnetized hexagonal ferrites, use of these ferrites as base materials for magnets or for magnetic recording | Pierre Gaud | 1987-06-09 |