Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4273192 | Method for cleaning a sand screen | Marc Fontaine | 1981-06-16 |
| 4200150 | Methods and hydraulically expandable self-cleaning sand screens | Marc Fontaine | 1980-04-29 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4273192 | Method for cleaning a sand screen | Marc Fontaine | 1981-06-16 |
| 4200150 | Methods and hydraulically expandable self-cleaning sand screens | Marc Fontaine | 1980-04-29 |