Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6425308 | Toolholder with a removable head | John D. Hargis, Mark G. Charleton, Lawrence A. Ballew, Fred E. Chaffin | 2002-07-30 |
| 6295905 | Toolholder with a removable head | John D. Hargis, Mark G. Charleton, Lawrence A. Ballew, Fred E. Chaffin | 2001-10-02 |