Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4644308 | Variable composition switching device realizable by the assembling of modular elements | Jean-Pierre Guery, Jacques Olifant, Raymond Plumeret | 1987-02-17 |
| 4631507 | Variable composition switching device | Jean-Pierre Guery, Jacques Olifant, Raymond Plumeret | 1986-12-23 |