Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820326 | Method for producing solarization-stable ultraviolet filter glasses for the 280-500 nm transmission range | — | 1989-04-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820326 | Method for producing solarization-stable ultraviolet filter glasses for the 280-500 nm transmission range | — | 1989-04-11 |