Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10087701 | Low profile rotating control device | Thomas F. Bailey, James W. Chambers, Don M. Hannegan | 2018-10-02 |
| 8286734 | Low profile rotating control device | Don M. Hannegan, Thomas F. Bailey, James W. Chambers, Simon J. Harrall | 2012-10-16 |