Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826359 | Structures of compacted materials composed of embankment fixed with a hydraulic binder and processes and machines for constructing them by compacting the slopes | Andre G. Bec, Jean-Pierre Martin | 1989-05-02 |