Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5346550 | Low temperature well cementing compositions and methods | Robert A. Kunzi, Patty L. Totten, Bobby G. Brake | 1994-09-13 |
| 5281270 | Retarded acid soluble well cement compositions and methods | Patty L. Totten, Bobby G. Brake | 1994-01-25 |