Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8678583 | Trifocal IOL using diffraction | — | 2014-03-25 |
| 7024231 | Booster system in a cellular phone base station | — | 2006-04-04 |
| 6025830 | Game controller for infants | — | 2000-02-15 |
| 5751273 | Game controller for infants | — | 1998-05-12 |
| 5144483 | Diffractive multifocal optical device | — | 1992-09-01 |
| 5121979 | Diffractive multifocal optical device | — | 1992-06-16 |
| 5121980 | Small aperture multifocal | — | 1992-06-16 |
| 5120120 | Multifocal optical device with spurious order suppression and method for manufacture of same | — | 1992-06-09 |
| 5117306 | Diffraction bifocal with adjusted chromaticity | — | 1992-05-26 |
| 5056908 | Optic zone phase channels | — | 1991-10-15 |
| 5054905 | Progressive intensity phase bifocal | — | 1991-10-08 |
| 5017000 | Multifocals using phase shifting | — | 1991-05-21 |
| 5009497 | Contact lenses utilizing keel orientation | — | 1991-04-23 |
| 4995714 | Multifocal optical device with novel phase zone plate and method for making | — | 1991-02-26 |
| 4995715 | Diffractive multifocal optical device | — | 1991-02-26 |
| 4898192 | Holographic false nails | — | 1990-02-06 |
| 4889421 | Contact lens with cosmetic pattern | — | 1989-12-26 |
| 4881805 | Progressive intensity phase bifocal | — | 1989-11-21 |
| 4881804 | Multifocal phase plate with a pure refractive portion | — | 1989-11-21 |
| 4876121 | Cosmetic artificial nails | — | 1989-10-24 |
| 4340283 | Phase shift multifocal zone plate | — | 1982-07-20 |
| 4338005 | Multifocal phase place | — | 1982-07-06 |
| 4210391 | Multifocal zone plate | — | 1980-07-01 |