Issued Patents 1982
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4366070 | Viscosifier & fluid loss control system | — | 1982-12-28 |
| 4363736 | Fluid loss control system | — | 1982-12-14 |
| 4353804 | Improved fluid loss control system | Peter C. Green | 1982-10-12 |
| 4349443 | Viscosifier and fluid loss control system | — | 1982-09-14 |
| 4312765 | Viscosifying agent | — | 1982-01-26 |