Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7081040 | Tool sharpener with web thickness determination capability | Gary Varney, Dennis Sobolik, Jim Wiltrout, John Griffin, Jennifer Hanson | 2006-07-25 |
| 6878035 | Tool sharpener | Gary Varney, Dennis Sobolik, Jim Wiltrout, John Griffin, Jennifer Hanson | 2005-04-12 |