Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8047290 | Double swivel apparatus and method | Kip M. Robichaux, Terry P. Robichaux, Donny Logan | 2011-11-01 |
| 7913760 | Seal configuration for top drive swivel apparatus and method | Kip M. Robichaux, Terry P. Robichaux | 2011-03-29 |