Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8322438 | Riser buoyancy adjustable thrust column | Eric Dale Larson, Rick L. Stringfellow, Jim R. Reams | 2012-12-04 |
| 8316948 | Actuation assembly for riser connection dog | Rick L. Stringfellow, Tom A. Fraser, Brian N. Munk | 2012-11-27 |