Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6944977 | Drum for an excavator that can be used in particular for the production of vertical trenches in hard or very hard soils | Fabrice Mathieu | 2005-09-20 |
| 6839989 | Drilling apparatus for hard ground | Jean-Claude Gessay | 2005-01-11 |