Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6710520 | Stress relief mechanism for optical interference coatings | Peter W. Brown, Rajasingh Israel | 2004-03-23 |
| 6471376 | Increased life reflector lamps | Charles D. Tschetter, Rajasingh Israel | 2002-10-29 |
| 6462465 | LPCVD coated reflector | Rajasingh Israel, Ashfaqul Islam Chowdhury | 2002-10-08 |
| 5676579 | Patterned optical interference coatings for electric lamps | Thomas G. Parham, Frederick W. Dynys, John M. Davenport, Thomas Golz, Rolf S. Bergman +4 more | 1997-10-14 |
| 5587626 | Patterned optical interference coatings for only a portion of a high intensity lamp envelope | Thomas G. Parham, Frederick W. Dynys, John M. Davenport, Thomas Golz, Rolf S. Bergman +4 more | 1996-12-24 |