Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6428018 | Chuck | Robert A. Grogan | 2002-08-06 |
| 6402160 | Chuck with improved bearing | Robert A. Grogan, Gary L. Young, J. Larry Wilson, Mark S. Huggins | 2002-06-11 |
| 6354605 | Chuck with improved jaw | — | 2002-03-12 |