Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10932618 | Two-surface grill with adjustable gap and multi-stage method for cooking food | Manuel Calzada, Paul G. Simmons | 2021-03-02 |
| 9700173 | Two-surface grill with adjustable gap and multi-stage method for cooking food | Manuel Calzada, Paul G. Simmons | 2017-07-11 |
| 8555777 | Two-surface grill with adjustable gap and multi-stage method for cooking food | Manuel Calzada, Paul G. Simmons | 2013-10-15 |