Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8899348 | Surface gas evaluation during controlled pressure drilling | Anthony Bruce Henderson, Douglas A. Law, Michael Brian Grayson, David Tonner | 2014-12-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8899348 | Surface gas evaluation during controlled pressure drilling | Anthony Bruce Henderson, Douglas A. Law, Michael Brian Grayson, David Tonner | 2014-12-02 |