Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9828829 | Intermediate completion assembly for isolating lower completion | Raymond A. Frisby, Roy N. Nelson, Donald P. Lauderdale | 2017-11-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9828829 | Intermediate completion assembly for isolating lower completion | Raymond A. Frisby, Roy N. Nelson, Donald P. Lauderdale | 2017-11-28 |