Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5363915 | Enhanced oil recovery technique employing nonionic surfactants | David Matthew Marquis | 1994-11-15 |
| 5358045 | Enhanced oil recovery method employing a high temperature brine tolerant foam-forming composition | Willard J. Sevigny, Jeremy Cantor | 1994-10-25 |