Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9834456 | Ultraviolet disinfection system | Douglas A. Collins, Yitao Liao, Li Zhang | 2017-12-05 |
| 9540252 | Ultraviolet disinfection system | Douglas A. Collins, Yitao Liao | 2017-01-10 |