Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859635 | Optical fluorophosphate glass having anomalous positive partial dispersion and process for its production | Norbert Meinert, Werner Huber, Henning Franek | 1989-08-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859635 | Optical fluorophosphate glass having anomalous positive partial dispersion and process for its production | Norbert Meinert, Werner Huber, Henning Franek | 1989-08-22 |