Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9512625 | Grout removal and masonry trenching tool | — | 2016-12-06 |
| 6896742 | Brushless scrub head for surface maintenance | Robert A. Geyer, Anthony Hamline, Christopher K. Pearce | 2005-05-24 |