Inventor

WERTHEIM HERBERT A

US6 patents

⚠️ This page may combine multiple inventors who share the name “WERTHEIM HERBERT A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WERTHEIM HERBERT A

3 patents

US7204591B2Apr 17, 2007

Device using light emitting diodes for predicting the optical density and diagnostic color of sunglass or therapeutic lenses using contrast sensitivity information

WERTHEIM HERBERT A9 citations67

US8397665B2Mar 19, 2013

Device for imparting gradations of tint density on a plastic ophthalmic lens

WERTHEIM HERBERT A2 citations53

US9378563B2Jun 28, 2016

Method for simulating the effect of viewing an image through a colored filter or ophthalmic spectacle lens

WERTHEIM HERBERT A0 citations45

BRAIN POWER INC

2 patents

US6897413B1May 24, 2005

Device for heating dyes to tint optical lenses and filters

BRAIN POWER INC8 citations68

US6669338B2Dec 30, 2003

Method of using a tablet for introducing tint, UV absorbers and other chemicals into spectacle lens and optical filter tinting systems

BRAIN POWER INC0 citations38

(unassigned)

1 patent

US6216360B1Apr 17, 2001

Device for heating dyes to tint optical lenses