Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885019 | Process for making bulk heavy metal fluoride glasses | — | 1989-12-05 |
| 4872894 | Method for rapid preparation of halide glasses | — | 1989-10-10 |
| 4842631 | Method of making carbon dioxide and chlorine free fluoride-based glass | — | 1989-06-27 |
| 4810926 | Impregnated thermionic cathode | James A. Schwarz, Edward J. Daniszewski | 1989-03-07 |