Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5046069 | Data integrity securing means | Jean Calvignac, Michel Dauphin, Jean Picard | 1991-09-03 |
| 4964127 | Data validity checking means | Jean Calvignac, Michel Dauphin, Jean Picard | 1990-10-16 |