Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684621 | Method and system for three-dimensional display of information based on two-photon upconversion | — | 1997-11-04 |
| 5631194 | Heavy metal fluoride glass containing indium trifluoride | Annapoorna Akella, Lubos J. B. Vacha | 1997-05-20 |