Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4331543 | Method of retarding degradation of surfactants employed in waterflooding | Peggy M. Wilson | 1982-05-25 |
| 4193452 | Waterflooding employing thickened aqueous liquids | Peggy M. Wilson | 1980-03-18 |