Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696059 | Methods of preventing well cement stress failure | James E. Griffith, William W. Webster | 1997-12-09 |
| 5688844 | Resilient well cement compositions and methods | Jiten Chatterji, Bobby J. King, Patty L. Totten | 1997-11-18 |