Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE30767 | Method using lignosulfonates for high-temperature plugging | Betty J. Felber, Dwight L. Dauben | 1981-10-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE30767 | Method using lignosulfonates for high-temperature plugging | Betty J. Felber, Dwight L. Dauben | 1981-10-13 |