Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6883622 | Method for drilling a wellbore using a bi-center drill bit | Thomas L. Young, David Truax | 2005-04-26 |
| 6880650 | Advanced expandable reaming tool | Carl M. Hoffmaster, David Truax | 2005-04-19 |