Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11090741 | High efficiency saw chain | James Matthew Cunnington, Sam Hutsell, Michael D. Harfst | 2021-08-17 |
| 10724369 | Mineral winning pick, pick holder, and combination | William Stephen Clapham | 2020-07-28 |
| D843802 | Bumper drive link | James Matthew Cunnington, Michael D. Harfst, Sam Hutsell | 2019-03-26 |
| D842910 | Cutter for saw chain | Sam Hutsell, James Matthew Cunnington, Michael D. Harfst | 2019-03-12 |
| D839720 | Tie strap | James Matthew Cunnington, Michael D. Harfst, Sam Hutsell | 2019-02-05 |