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Patent applications and USPTO patent grants for Dustin; Dwight P..The latest application filed is for "method for refracting and dispensing electro-active spectacles".
Patent | Date |
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Method for refracting and dispensing electro-active spectacles Grant 6,733,130 - Blum , et al. May 11, 2 | 2004-05-11 |
Optical lens system with electro-active lens having alterably different focal lengths Grant 6,619,799 - Blum , et al. September 16, 2 | 2003-09-16 |
Method for refracting and dispensing electro-active spectacles App 20030058406 - Blum, Ronald D. ;   et al. | 2003-03-27 |
System, apparatus, and method for correcting vision using electro-active spectacles Grant 6,517,203 - Blum , et al. February 11, 2 | 2003-02-11 |
System, apparatus, and method for reducing birefringence Grant 6,491,391 - Blum , et al. December 10, 2 | 2002-12-10 |
Method for refracting and dispensing electro-active spectacles Grant 6,491,394 - Blum , et al. December 10, 2 | 2002-12-10 |
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