Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4683553 | Method and device for protecting software delivered to a user by a supplier | — | 1987-07-28 |
| 4656474 | Process and apparatus for authenticating the signature of a signed message | Charles Saada | 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 | Charles Saada | 1985-10-22 |
| 4467139 | Process and system for transmission of signed messages | — | 1984-08-21 |
| 4442345 | Apparatus for and method of recycling recording carriers, such as credit cards, including non-volatile erasable memories for identification data | Michel Ugon | 1984-04-10 |
| 4367402 | System for keeping account of predetermined homogeneous units | Georges Giraud | 1983-01-04 |
| 4344155 | Method of and apparatus for inscribing a control character in a memory | — | 1982-08-10 |
| 4319355 | Method of and apparatus for testing a memory matrix control character | — | 1982-03-09 |
| 4256955 | System for keeping account of predetermined homogeneous units | Georges Giraud | 1981-03-17 |
| 4204113 | System for keeping account of predetermined homogenous units | Georges Giraud | 1980-05-20 |