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Charles T. Howell
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Newport News, VA, US
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last 30 patents
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Patent Grant
Variably transmittive, electronically-controlled eyewear
Patent number
8,411,214
Issue date
Apr 2, 2013
United States of America as represented by the Administrator of the National...
John J. Chapman
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Patents Applications
last 30 patents
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Patent Application
Variably Transmittive, Electronically-Controlled Eyewear
Publication number
20090317773
Publication date
Dec 24, 2009
United States of America as represented by the Administrator of the NASA
John J. Chapman
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS