Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5686795 | Fluorescent lamp with protected cathode to reduce end darkening | George E. Sakoske, Johnson M. Kachidza | 1997-11-11 |
| 5636915 | High brightness projection lighting system | William J. Cassarly, John M. Davenport, Richard L. Hansler | 1997-06-10 |