Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6808210 | Drill pipe with upset ends having constant wall thickness and method for making same | Gregory T. Harrison, James L. Carothers, George A. Mitchell | 2004-10-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6808210 | Drill pipe with upset ends having constant wall thickness and method for making same | Gregory T. Harrison, James L. Carothers, George A. Mitchell | 2004-10-26 |