Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7984761 | Openhole perforating | Frank F. Chang, Lawrence A. Behrmann, Ian C. Walton | 2011-07-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7984761 | Openhole perforating | Frank F. Chang, Lawrence A. Behrmann, Ian C. Walton | 2011-07-26 |