Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10415353 | Perforating gun rapid fluid inrush prevention device | Richard Ellis Robey, Allan Zhong, Wesley Neil Ludwig | 2019-09-17 |
| 10329885 | Self-sealing perforating apparatus | Jeffery Richard Acker | 2019-06-25 |