Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9775212 | Spectral shift control for dimmable AC LED lighting | Zdenko Grajcar, Leif Erickson | 2017-09-26 |
| 9380665 | Spectral shift control for dimmable AC LED lighting | Zdenko Grajcar, Leif Erickson | 2016-06-28 |