Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11068843 | Augmented reality inventory management system | David R. Hall, Jared Eggett, Steven J.M. Butala, Conrad Rosenbrock | 2021-07-20 |
| 10918362 | Toilet volatile organic compound analysis system for urine | David R. Hall, Dan Allen, Steven J.M. Butala, Gayun Kim, Joshua Larsen +3 more | 2021-02-16 |
| 10888278 | Method of monitoring health while using a toilet | David R. Hall, Dan Allen, H. Tracy Hall, Jr. | 2021-01-12 |