Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6773141 | Protected coating for energy efficient lamp | Tianji Zhao, Frederick W. Dynys, Thomas G. Parham | 2004-08-10 |
| 6774545 | Reflector lamps | Yutao Zhou, Thomas Golz, Tianji Zhao, Ashfaq Chowdhury | 2004-08-10 |
| 6710520 | Stress relief mechanism for optical interference coatings | Peter W. Brown, Carl Gunter | 2004-03-23 |