Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5893679 | Process and a machine for the implementation of a bonding layer and road-type coating comprising such a layer | Graziella Durand | 1999-04-13 |
| 5769567 | Process and machine for the implementation of a bonding layer and road type coating comprising such a layer | Graziella Durand | 1998-06-23 |
| 5256712 | Process for obtaining bitumens containing at least one elastomer and products obtained | Georges Langumier | 1993-10-26 |