Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5609516 | Rotating abrader with polygonal pad and dust evacuation | Michael W. Courson, William H. Courson | 1997-03-11 |
| 5545082 | Dust control system for rotary hand tools | Michael W. Courson, William H. Courson | 1996-08-13 |