Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6960872 | Illumination systems utilizing light emitting diodes and light recycling to enhance output radiance | Karl W. Beeson | 2005-11-01 |
| 6869206 | Illumination systems utilizing highly reflective light emitting diodes and light recycling to enhance brightness | Karl W. Beeson | 2005-03-22 |