Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8312933 | Marine drilling riser system | Eric Dale Larson, Rick L. Stringfellow | 2012-11-20 |
| 7913767 | System and method for connecting tubular members | Eric Dale Larson, Rick L. Stringfellow | 2011-03-29 |