Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6648084 | Head for injecting liquid under pressure to excavate the ground | Jean-Claude Gessay | 2003-11-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6648084 | Head for injecting liquid under pressure to excavate the ground | Jean-Claude Gessay | 2003-11-18 |