Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4465598 | Method of treating well servicing fluids | Roy K. Darlington, George Henry | 1984-08-14 |
| 4401813 | Process for preparing alkali metal salt of carboxymethyl cellulose | Michael J. Nevins, Kenneth I. G. Reid, Kenneth L. Walter | 1983-08-30 |