Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832512 | Plotting machine | Jacques C. E. Pervillé, Thierry Lasjaunias, Remy Jaffres | 1989-05-23 |
| 4683476 | Drawing machine having automatically replaced writing members and apparatus therefor | Alphonse Ferrari, Michel Roche | 1987-07-28 |