Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10501373 | Multi-phase ceramic system | Ali Sayir | 2019-12-10 |
| 6773141 | Protected coating for energy efficient lamp | Tianji Zhao, Rajasingh Israel, Thomas G. Parham | 2004-08-10 |
| 6679961 | Die pressing arctube bodies | Curtis E. Scott | 2004-01-20 |
| 6592808 | Cermet sintering of ceramic discharge chambers | Curtis E. Scott | 2003-07-15 |
| 6382816 | Protected coating for energy efficient lamp | Tianji Zhao, Rajasingh Israel, Thomas G. Parham | 2002-05-07 |
| 6346495 | Die pressing arctube bodies | Curtis E. Scott | 2002-02-12 |
| 5676579 | Patterned optical interference coatings for electric lamps | Thomas G. Parham, Carl Gunter, 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, Carl Gunter, John M. Davenport, Thomas Golz, Rolf S. Bergman +4 more | 1996-12-24 |
| 5569970 | Tantala-silica interference filters and lamps using same | Thomas G. Parham | 1996-10-29 |
| 5422534 | Tantala-silica interference filters and lamps using same | Thomas G. Parham | 1995-06-06 |