Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6402160 | Chuck with improved bearing | Robert A. Grogan, William H. Aultman, J. Larry Wilson, Mark S. Huggins | 2002-06-11 |
| 6398226 | Chuck with one-way lock | Mark S. Huggins | 2002-06-04 |