Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6194216 | Method for determination of amine-based additives in drilling fluid filtrates | Michael A. Jarrett, Dennis K. Clapper | 2001-02-27 |
| 5627076 | Method for determination of glycols and polyglycols in drilling fluid filtrates | Patrick L. Henderson | 1997-05-06 |