Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10905938 | Portable ski and snowboard edge sharpener and method of using the same | William E. Durell | 2021-02-02 |
| 9878415 | Portable ski and snowboard edge sharpener | William E. Durell | 2018-01-30 |