Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6471376 | Increased life reflector lamps | Rajasingh Israel, Carl Gunter | 2002-10-29 |
| 6441541 | Optical interference coatings and lamps using same | Rajasingh Israel, Denis A. Lynch | 2002-08-27 |
| 4949005 | Tantala-silica interference filters and lamps using same | Thomas G. Parham, Seshu B. Desu | 1990-08-14 |
| 4535269 | Incandescent lamp | Rolf S. Bergman | 1985-08-13 |