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FASTER STATE TRANSITIONING FOR CONTINUOUS ADJUSTABLE 3DEEPS FILTER SPECTACLES USING MULTI-LAYERED VARIABLE TINT MATERIALS

15/217,612 | U.S. Patent Application

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Location ELECTRONIC
Filed July 22, 2016
Examiner HUNG XUAN DANG
Class 351
Art Group 2872
Patent No. 9,699,444
Case Type Utility - 351/158000
Status Patented Case
Parent 14/850,750 Patented
Parent 14/451,048 Patented
Parent 14/155,505 Patented
Parent 13/746,393 Patented
Parent 12/938,495 Abandoned
Parent 12/555,545 Patented
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Last Updated: 5 years, 3 months ago
Date # Transaction