Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9982504 | Mechanical hold-down assembly for a well tie-back string | John M. Yokley, Frank D. Kalb | 2018-05-29 |
| 9938787 | Fully supported c-ring slip retention system | Steven Zakharia, Frank D. Kalb | 2018-04-10 |