Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680005 | Phosphor distribution for helical compact fluorescent lamp | Thomas F. Soules, Jennifer I. Barry | 1997-10-21 |
| 5627426 | Lamp with IR reflecting film and light-scattering coating | Thomas G. Parham, Thomas M. Sharda | 1997-05-06 |