ALEXANDRIA, Va., July 15 -- United States Patent no. 12,663,142, issued on June 23, was assigned to Shenzhen Decktok Smart Lighting Co. Ltd. (Shenzhen, China).
"Elongated illuminant storage device" was invented by Xinglin Liu (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present application discloses an elongated illuminant storage device, including: a reel rotatable about an axis thereof; a spiral spring energy storage member connected to the reel and configured to store a potential energy generated during rotation of the reel; an elongated illuminant made of a flexible material, wound on the reel, and having one end fixedly connected to the reel and the other end being a free end, whe...