Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10918362 | Toilet volatile organic compound analysis system for urine | David R. Hall, Dan Allen, Steven J.M. Butala, Ben Swenson, Gayun Kim +3 more | 2021-02-16 |
| 10920408 | Antimicrobial toilet with electrolyzer | David R. Hall, Steven J.M. Butala, Joshua Larsen | 2021-02-16 |
| 10890497 | Active pressure sensing toilet gasket and methods of use | David R. Hall, K. Jeffrey Campbell, Andrew Nguyen, Joshua Larsen | 2021-01-12 |