Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10053945 | Breakaway obturator for downhole | Nicholas Frederick Budler, John Key, Lonnie Carl Helms | 2018-08-21 |
| 9988872 | Pressure relief-assisted packer | Lonnie Carl Helms | 2018-06-05 |