InventHelp Inventor Develops Prescription Lens with Manual Tint Control (DLL-3679)

From PRNewswire

PITTSBURGH, June 23, 2020 /PRNewswire/ -- Many eyeglass wearers face the challenge of changing to a separate pair of sunglasses when the sun suddenly appears. Thanks to the creative thinking of an inventor from Euless, Texas, however, that need no longer be n…

Published on June 23rd, 2020

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