Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4955706 | Composite polymeric spectacle parts | Ronald Zach | 1990-09-11 |
| 4759622 | Eyeglasses with exchangeable lenses | — | 1988-07-26 |
| D285020 | Sport goggle | — | 1986-08-12 |
| 4578822 | Visor | — | 1986-04-01 |