Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11162689 | Cooktop with hinged grates | Randall Vernen Crawford, Patrick J. Duffy, Ken E. Johnson, Michele Harpring Johnson, John Ryan McNally +4 more | 2021-11-02 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11162689 | Cooktop with hinged grates | Randall Vernen Crawford, Patrick J. Duffy, Ken E. Johnson, Michele Harpring Johnson, John Ryan McNally +4 more | 2021-11-02 |