Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4652384 | High temperature drilling fluid component | Edward D. DeBoer, Vilas L. Wermers | 1987-03-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4652384 | High temperature drilling fluid component | Edward D. DeBoer, Vilas L. Wermers | 1987-03-24 |