Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5796835 | Method and system for writing information in a data carrier making it possible to later certify the originality of this information | — | 1998-08-18 |
| 5253295 | Process for authentication, by an outside medium, of a portable object connected to that medium via a transmission line and system for carrying out the process | Andre Oisel, Francois Lasnier | 1993-10-12 |
| 4656474 | Process and apparatus for authenticating the signature of a signed message | Jean H. Mollier | 1987-04-07 |
| 4549075 | Method for certifying the origin of at least one item of information stored in the memory of a first electronic device and transmitted to a second electronic device, and system for carrying out the method | Jean H. Mollier | 1985-10-22 |