Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688727 | Infrared and ultraviolet radiation absorbing blue glass composition | David R. Haskins | 1997-11-18 |
| 5593929 | Ultraviolet absorbing green tinted glass | John F. Krumwiede, Joseph A. Gulotta | 1997-01-14 |