Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11670158 | Hygiene compliance and monitoring system | Douglas Koester | 2023-06-06 |
| 10818157 | Hygiene compliance and monitoring system | Douglas Koester | 2020-10-27 |
| 10475329 | Hand washing compliance and monitoring system | Douglas Koester | 2019-11-12 |