Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6374918 | In-tubing wellbore sidetracking operations | James R. Longbottom, David M. Haugen, Alex Dawson, David Duguid, Frank Middleton +2 more | 2002-04-23 |
| 6334487 | Valve assembly | Courtney W. Adkins, Thurman B. Caarter, William A. Blizzard, Jr., Richard M. Ward | 2002-01-01 |