Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9377569 | Photochromic ophthalmic systems that selectively filter specific blue light wavelengths | Andrew W. Ishak, Joshua N. Haddock, William Kokonaski, Dwight P. Duston, Ronald D. Blum +2 more | 2016-06-28 |
| 9081208 | Electro-active lenses including thin glass substrates | Ronald D. Blum, Amitava Gupta, William Kokonaski | 2015-07-14 |
| 9033494 | Multifocal lens having a progressive optical power region and a discontinuity | Ronald D. Blum, William Kokonaski, Joshua N. Haddock, Mark Mattison-Shupnick | 2015-05-19 |
| 8827446 | Electronic lens comprised of hybrid materials | Robert Hall, Randall Blevins, Ronald D. Blum, William Kokonaski | 2014-09-09 |
| 8662665 | Refractive-diffractive multifocal lens | William Kokonaski, Joshua N. Haddock, Roger Clarke, Ronald D. Blum | 2014-03-04 |
| 8641191 | Static progressive surface region in optical communication with a dynamic optic | Ronald D. Blum, William Kokonaski, Joshua N. Haddock | 2014-02-04 |
| 8434865 | Multifocal lens having a progressive optical power region and a discontinuity | Ronald D. Blum, William Kokonaski, Joshua N. Haddock, Mark Mattison-Shupnick | 2013-05-07 |
| 8360574 | High performance selective light wavelength filtering providing improved contrast sensitivity | Andrew W. Ishak, Joshua N. Haddock, William Kokonaski, Dwight P. Duston, Ronald D. Blum +2 more | 2013-01-29 |
| 8308295 | Multifocal lens having a progressive optical power region and discontinuity | Ronald D. Blum, William Kokonaski, Joshua N. Haddock, Mark Mattison-Shupnick | 2012-11-13 |
| 8197063 | Refractive-diffractive multifocal lens | William Kokonaski, Joshua N. Haddock, Roger Clarke, Ronald D. Blum | 2012-06-12 |
| 8092016 | Multifocal lens having a progressive optical power region and a discontinuity | Ronald D. Blum, William Kokonaski, Joshua N. Haddock, Mark Mattison-Shupnick | 2012-01-10 |
| 8075132 | Multiple layer multifocal composite lens | Ronald D. Blum, William Kokonaski, Joshua N. Haddock, Mark Mattison-Shupnick | 2011-12-13 |
| 7988286 | Static progressive surface region in optical communication with a dynamic optic | Ronald D. Blum, William Kokonaski, Joshua N. Haddock | 2011-08-02 |
| 7926941 | Multiple layer multifocal composite lens | Ronald D. Blum, William Kokonaski, Joshua N. Haddock, Mark Mattison-Shupnick | 2011-04-19 |
| 7883207 | Refractive-diffractive multifocal lens | William Kokonaski, Joshua N. Haddock, Roger Clarke, Ronald D. Blum | 2011-02-08 |
| 7883206 | Multifocal lens having a progressive optical power region and a discontinuity | Ronald D. Blum, William Kokonaski, Joshua N. Haddock, Mark Mattison-Shupnick | 2011-02-08 |
| 7775660 | Electro-active ophthalmic lens having an optical power blending region | Wilber C. Stewart, Joseph Thomas McGinn, Joshua N. Haddock, William Kokonaski, Ronald D. Blum | 2010-08-17 |
| 7744215 | Multiple layer multifocal composite lens | Ronald D. Blum, William Kokonaski, Joshua N. Haddock | 2010-06-29 |
| 7604349 | Static progressive surface region in optical communication with a dynamic optic | Ronald D. Blum, William Kokonaski, Joshua N. Haddock | 2009-10-20 |
| 7556376 | System and method for selective light inhibition | Andrew W. Ishak, Joshua N. Haddock, William Kokonaski, Ronald D. Blum, Mark Mattison-Shupnick | 2009-07-07 |
| 7520608 | Color balanced ophthalmic system with selective light inhibition | Andrew W. Ishak, Joshua N. Haddock, William Kokonaski, Dwight P. Duston, Ronald D. Blum | 2009-04-21 |
| 6267587 | Thermal curing oven and thermal curing process | Joseph A. Bishop, Gary Marcau, Brian McCrady | 2001-07-31 |
| 5914174 | Lens or semi-finished blank comprising photochromic resin compositions | Amitava Gupta, Ronald D. Blum, William Kokonaski | 1999-06-22 |
| 5851585 | Impregnation of plastic substrates with photochromic additives | Amitava Gupta, Ronald D. Blum | 1998-12-22 |
| 5789015 | Impregnation of plastic substrates with photochromic additives | Amitava Gupta, Ronald D. Blum | 1998-08-04 |