Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4554259 | Low expansion, alkali-free borosilicate glass suitable for photomask applications | Brian Franklin | 1985-11-19 |
| 4507393 | Highly prefractive, low dispersion optical glass suitable for multifocal corrective lenses | Reinhard Kassner, Lee Melbourne Cook | 1985-03-26 |
| 4444893 | Highly refractive, low dispersion, low density optical glass suitable for corrective lenses | Reinhard Kassner | 1984-04-24 |
| 4434191 | Integral anti-reflective surfaces of silicate glasses | Lee Melbourne Cook, Roland Schnabel | 1984-02-28 |