Issued Patents 1982
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4360758 | High-intensity-discharge lamp of the mercury-metal halide type which efficiently illuminates objects with excellent color appearance | Daniel A. Larson, Edward Chen | 1982-11-23 |
| 4341978 | High-intensity-discharge lamp with improved color rendition of illuminated objects | Daniel A. Larson | 1982-07-27 |
| 4334782 | Method and apparatus for expressing relative brightness of artificial illumination as perceived by the average observer | Edward Chen, Edward W. Morton, Dorothy Rachko | 1982-06-15 |
| 4315193 | High-pressure mercury-vapor lamp which has both improved color rendition and light output | — | 1982-02-09 |