Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4754810 | Method for patching casing leaks | Jeff J. Jurinak, Chandra L. Mowery, Walter M. MacKinlay, Larry D. Johansen | 1988-07-05 |
| 4732213 | Colloidal silica-based fluid diversion | John L. Fitzjohn, Richard A. Harmon, Paul C. Yates | 1988-03-22 |