Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8080115 | Method for the surface treatment of a metallic or fibrous material | Leon Mentink | 2011-12-20 |
| 8007657 | Preparation and treating of bituminous compositions | Leon Mentink, Michel Maze, Frédéric DELFOSSE | 2011-08-30 |