Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9352445 | Grinding tools with guards | Ryan S. Amend, Douglas E. Pyles, Randi J. Young | 2016-05-31 |
| 9289878 | Grinders with friction drives | Patrick Livingston, Joseph Constantine Bouboulis, Douglas E. Pyles, James F. Bouchard | 2016-03-22 |