Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5312689 | Laminated ophthalmic lens | David Dasher, Mark Stephen Friske, Ronald E. Johnson | 1994-05-17 |
| 5232637 | Ophthalmic lens method | David Dasher, Mark Stephen Friske, Reba S. Herndon, Ronald E. Johnson, David J. Kerko +4 more | 1993-08-03 |
| 5223862 | High-index, organic lens member | David Dasher, John W. Nelson, Anthony R. Olszewski | 1993-06-29 |
| 5064712 | Laminated lens structure | — | 1991-11-12 |
| 4246169 | Flammable plastics containing a flame retardant amount of polyarylphosphates and the polyarylphosphates | Robert D. Norris, Harry H. Beacham | 1981-01-20 |