Faster state transitioning for continuous adjustable 3Deeps filter spectacles using multi-layered variable tint materials | Patent Number 09948922

US 09948922 B2
Application Number15683623
Publication NumberUS 20170374357 A1
Pendency7 months, 28 days
Filled DateAug 22, 2017
Priority DateJan 23, 2001
Publication DateDec 28, 2017
Expiration DateApr 17, 2022
Inventor/ApplicantsRonald Steven Karpf
Kenneth Martin Jacobs
ExaminesDANG, HUNG XUAN
Art Unit2872
Technology Center2800
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