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Dwight P. Dustin
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Laguna Niguel, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method for refracting and dispensing electro-active spectacles
Patent number
6,733,130
Issue date
May 11, 2004
E-Vision, LLC
Ronald D. Blum
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Optical lens system with electro-active lens having alterably diffe...
Patent number
6,619,799
Issue date
Sep 16, 2003
E-Vision, LLC
Ronald D. Blum
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
System, apparatus, and method for correcting vision using electro-a...
Patent number
6,517,203
Issue date
Feb 11, 2003
E-Vision, LLC
Ronald D. Blum
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method for refracting and dispensing electro-active spectacles
Patent number
6,491,394
Issue date
Dec 10, 2002
E-Vision, LLC
Ronald D. Blum
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
System, apparatus, and method for reducing birefringence
Patent number
6,491,391
Issue date
Dec 10, 2002
E-Vision LLC
Ronald D. Blum
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
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Patent Application
Method for refracting and dispensing electro-active spectacles
Publication number
20030058406
Publication date
Mar 27, 2003
Ronald D. Blum
C07 - ORGANIC CHEMISTRY