Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8082997 | Manipulatable spider components adapted for cooperation with a vertically reciprocating control line guide | Charles Michael Webre, Vernon Bouligny, Mark Stephen Sibille | 2011-12-27 |
| 7891418 | Slippage sensor and method of operating an integrated power tong and back-up tong | Mark Stephen Sebille | 2011-02-22 |