ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,716,558, issued on Aug. 25, was assigned to Lumien Enterprise Inc. (Marietta, Ga.).
"Lamp module group" was invented by Haicheng Zhang (Marietta, Ga.), Honggui Xie (Nanjing, China) and Zhengen Li (Heze, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lamp module group can include a housing defining a cavity, the housing defining an opening to the cavity at a first end of the housing, the housing defining a threaded portion at the first end, the cavity at least partially filled with a sealing material, the housing including a column positioned opposite from the first end; an LED lamp board positioned within the cavity; a power supply driving modul...