Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D929841 | Knife sharpener | Joseph T. Zachariasen | 2021-09-07 |
| D929842 | Knife sharpener | Joseph T. Zachariasen | 2021-09-07 |
| D929843 | Knife sharpener | Joseph T. Zachariasen | 2021-09-07 |
| D911142 | Foldable tool sharpener | Joseph T. Zachariasen, Ryan Dickman | 2021-02-23 |