Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4311762 | Plastic components of improved hardness and scratch resistance | Dennis J. Damico | 1982-01-19 |
| 4287018 | Method for finishing glass-plastic laminated lens blanks | Suresh T. Gulati | 1981-09-01 |
| 4268134 | Lightweight laminated photochromic lenses | Suresh T. Gulati, Norman Alfred Smith | 1981-05-19 |
| 4264156 | Composite glass-plastic lens blanks resistant to shaling fracture | — | 1981-04-28 |
| 4246207 | Method for casting glass-plastic lenses comprising allyl diglycol carbonate plastic | — | 1981-01-20 |
| 4227950 | Direct casting method for producing low-stress glass/plastic composite lenses | — | 1980-10-14 |