Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4275789 | Silicate activated lignosulfonate gel treatments of conductive zones | Betty J. Felber | 1981-06-30 |
| 4257813 | Formation treatment with silicate activated lignosulfonate gel | Betty J. Felber | 1981-03-24 |