Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5618326 | Surface treatment of halide glass articles | Daryl Szebesta, John Richard Williams | 1997-04-08 |
| 5617244 | Optical amplifier and laser | Robert M. Percival, Daryl Szebesta | 1997-04-01 |