Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8016042 | Stress distributing wellhead connector | Michael W. Spiering, Maoye Sun, Paul D. Bunch | 2011-09-13 |
| 7913767 | System and method for connecting tubular members | Rick L. Stringfellow, Richard T. Trenholme | 2011-03-29 |