Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6634442 | Process for using biodegradable drilling muds | Josiane Durrieu, Christian Zurdo, Alain Rabion, Michel Guillerme | 2003-10-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6634442 | Process for using biodegradable drilling muds | Josiane Durrieu, Christian Zurdo, Alain Rabion, Michel Guillerme | 2003-10-21 |