Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5658612 | Method for making a tantala/silica interference filter on the surface of a tungsten-halogen incandescent lamp | Hongwen Li | 1997-08-19 |
| 5648115 | Method for making a tantala/silica interference filter on a vitreous substrate and an electric lamp made thereby | Gautam Bandyopadhyay, Silvia E. Lichtensteiger | 1997-07-15 |
| 5595603 | Apparatus for the controlled delivery of vaporized chemical precursor to an LPCVD reactor | Joseph E. Lester | 1997-01-21 |