Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5746274 | One trip cement and gravel pack system | Benn Voll, Steve Stringfellow, Christian F. Bayne | 1998-05-05 |
| 5595246 | One trip cement and gravel pack system | Benn Voll, Steve Stringfellow | 1997-01-21 |