Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10012044 | Annular isolation device for managed pressure drilling | Mario Munoz Reyna, Gordon Thomson, Chau Nguyen, Jerlib J. Leal, Walter S. Dillard | 2018-07-03 |
| 8388255 | Dog-type lockout and position indicator assembly | Eric Dale Larson, Robert Allen Blue | 2013-03-05 |