Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5199376 | Pointers | — | 1993-04-06 |
| 5187360 | Aspheric lens having a plurality of lenslets disposed substantially contiguously in an array | — | 1993-02-16 |
| 5151826 | Fresnel lens | — | 1992-09-29 |
| 5083240 | Light guide | — | 1992-01-21 |
| 5053928 | Light guide | — | 1991-10-01 |
| 5013143 | Lens | — | 1991-05-07 |
| 4944574 | Stand magnifier and lens | Robert J. Roote, Ian J. Smithers, Paul J. Fisher | 1990-07-31 |
| 4836659 | Lens | Robert J. Roote, Ian J. Smithers, Paul J. Fisher | 1989-06-06 |
| 4323951 | Laminar light guide | — | 1982-04-06 |