Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11519242 | Telescopic stage cementer packer | Avinash Gopal Dharne, Lonnie Carl Helms, Frank Acosta | 2022-12-06 |
| 11230905 | Buoyancy assist tool with waffle debris barrier | Lonnie Carl Helms, Min Mark Yuan, Mayur Narain Ahuja, Byong Jun Kim, Rajesh Parameshwaraiah | 2022-01-25 |