Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5648115 | Method for making a tantala/silica interference filter on a vitreous substrate and an electric lamp made thereby | Keith A. Klinedinst, Silvia E. Lichtensteiger | 1997-07-15 |