Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12398522 | Selectable-width push plow | Ralph Barrientos, Matthew A. Sommerfield, James G. Weiler | 2025-08-26 |
| 10350450 | Lateral tilting treadmill systems | John Stelmach, Matthew A. Sommerfield | 2019-07-16 |
| D849104 | Photo booth | Brandon Wong, Vincent Cordero, Matthew A. Sommerfield, Scott Doty | 2019-05-21 |
| D810380 | Grocery cart | Matthew A. Sommerfield, Scott Doty, Charlotte Ann Britto, Laura Elizabeth Bynoe | 2018-02-13 |