Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11203223 | Reel-to-reel chalk line | — | 2021-12-21 |
| 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 |
| 10893852 | Toilet bowl urine measurement instruments | David R. Hall, Dan Allen | 2021-01-19 |
| 10897771 | Wireless stream broadcast system using spectrum-impact-smoothed channel sequencing and deferred acknowledgments | David R. Hall, Craig Boswell, Everett D. Robinson | 2021-01-19 |