ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,221,540, issued on Feb. 11, was assigned to Yi Deng (Foshan, China).

"Composite plastic material and lamp structures made thereof" was invented by Yi Deng (Foshan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a lamp structure including a shell made of a thermal plastic material with improved heat conductivity. In some embodiments, the thermal plastic material includes a thermal conductive filler comprising nylon, calcium carbonate, metal power, glass fiber, and paraffin wax."

The patent was filed on Nov. 10, 2020, under Application No. 17/054,557.

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