Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4576571 | Method of polishing the surface of glass articles | Michel Roux, Jean-Louis Valadier | 1986-03-18 |
| 4556384 | Burner for pulverized coal | Serge Laurenceau, Bernerd Genies | 1985-12-03 |