Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7950461 | Screened valve system for selective well stimulation and control | Kirby G. Schrader, Bharathwaj Kannan | 2011-05-31 |
| 7861788 | Casing valves system for selective well stimulation and control | Timothy R. Tips | 2011-01-04 |