Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11549603 | Check valve assembly | Paul Haines, Roddy W. Simpson, Jr., Robert M. Wilkerson | 2023-01-10 |
| 10260322 | Lubricator auto-catch | Daniel J. Brewer, Roddy W. Simpson, Jr., Robert M. Wilkerson | 2019-04-16 |