Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4247518 | Apparatus for the thermal conversion of gypsum | Alain Charlet, Jean-Paul Coquery | 1981-01-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4247518 | Apparatus for the thermal conversion of gypsum | Alain Charlet, Jean-Paul Coquery | 1981-01-27 |