Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9686828 | LED retrofit lamp with a strike barrier | Don Barnetson, Joel Snook, Junyun Wang | 2017-06-20 |
| 9551463 | Retrofit LED lighting system | Don Barnetson, Daryl Cheim, John X. Zhang | 2017-01-24 |
| 9468054 | Retrofit LED lighting system with circuit level enhancement | Don Barnetson, Joel Snook, Junyun Wang | 2016-10-11 |
| 9033545 | Retrofit LED lighting system | Donald Barnetson, John X. Zhang, Daryl Cheim | 2015-05-19 |