Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8042941 | Lens with continuous power gradation | José Alonso Fernández, Daniel Crespo Vázquez, Thomas Balch | 2011-10-25 |
| 7688431 | Dispersion demonstrator for eyewear lenses | Thomas Balch, John Michael Tamkin, Jotinderpal Sidhu | 2010-03-30 |
| 7582235 | Method of manufacturing optical-quality polarized part incorporating high-impact polyurethane-based material | Russell E. Evans, Thomas Balch | 2009-09-01 |
| 7238307 | Method for pre-conditioning inserts for injection molding | Jotinderpal Sidhu, Andrew John McKenzie, Ahmad A. Barzak | 2007-07-03 |
| 7002744 | Polarized optical part using high impact polyurethane-based material | Russell E. Evans, Thomas Balch | 2006-02-21 |
| 6926405 | Eyewear lens having selective spectral response | David Mark Ambler, Thomas Balch | 2005-08-09 |
| 6759090 | Method for improved adhesion of an optical coating to a polarizing film | Igor Loshak, Ahmad A. Barzak, Edward Beeloo | 2004-07-06 |
| 6585373 | Ophthalmic lenses utilizing polyethylene terephthalate polarizing films | Russell E. Evans, Thomas Balch, Edward Beeloo | 2003-07-01 |
| 6432327 | Formed polyethylene terephthalate polarizing film for incorporation in optical-grade plastic parts | Edward Beeloo, Russell E. Evans, Thomas Balch | 2002-08-13 |
| 6413641 | Treated polyethylene terephthalate polarizing films for improved adhesion in optical plastics | Russell E. Evans, Thomas Balch, Edward Beeloo | 2002-07-02 |
| 6391231 | Method for side-fill lens casting | Russell E. Evans, Thomas Balch | 2002-05-21 |
| 6220703 | Ophthalmic lenses utilizing polyethylene terephthalate polarizing films | Russell E. Evans, Thomas Balch, Edward Beeloo | 2001-04-24 |
| 6113238 | Glare demonstrator | Thomas Balch, Russell E. Evans, Gregory Alan Rook | 2000-09-05 |