Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6817732 | Efficiency fluorescent lighting system | Eugene Graff | 2004-11-16 |
| D489766 | Exit sign | Dennis K. Gregory, Khosrow Jamasbi, Charles Kelpin | 2004-05-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6817732 | Efficiency fluorescent lighting system | Eugene Graff | 2004-11-16 |
| D489766 | Exit sign | Dennis K. Gregory, Khosrow Jamasbi, Charles Kelpin | 2004-05-11 |