Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5241162 | Accounting system for consumable units, with optimized management, notably to account for parking time units | Alain Marechal | 1993-08-31 |
| 5235565 | Time-accounting system and method comprising means for the generation of codes at instants computed by a secret algorithm | Marc Aschenbrouich, Alain Marechal | 1993-08-10 |