Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6773141 | Protected coating for energy efficient lamp | Tianji Zhao, Rajasingh Israel, Thomas G. Parham | 2004-08-10 |
| 6679961 | Die pressing arctube bodies | Curtis E. Scott | 2004-01-20 |