Issued Patents 2004
Showing 1–2 of 2 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, Paul F. Russo | 2004-10-26 |
| 6735998 | Method of making metal ball bats | — | 2004-05-18 |