Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5358047 | Fracturing with foamed cement | Ronald E. Himes, E. Dwyann Dalrymple, Jeffrey A. Dahl | 1994-10-25 |
| 5339902 | Well cementing using permeable cement | Kirk L. Harris, Robert B. Carpenter, Ronald E. Himes, E. Dwyann Dalrymple, Jeffrey A. Dahl | 1994-08-23 |