Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9850730 | Ram blowout preventer piston rod subassembly | Ronny Moya, Richard Lee Stringfellow | 2017-12-26 |
| 9822602 | Blind shear ram | Julia Anne Bleck, Devasish Choudhury, Richard Lee Stringfellow | 2017-11-21 |