Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670776 | Enhanced trim resolution voltage-controlled dimming LED driver | Don W. Guthrie | 2003-12-30 |
| 6653798 | Voltage dimmable LED display producing multiple colors | Don W. Guthrie | 2003-11-25 |
| 6650064 | Fault tolerant led display design | Don W. Guthrie | 2003-11-18 |