ALEXANDRIA, Va., March 12 -- United States Patent no. 12,247,709, issued on March 11, was assigned to Nanning City Hong Cai Illuminations Technology Co. Ltd. (Nanning, China).
"Lamp bulb structure and lamp" was invented by Faquan Liang (Nanning, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a lamp bulb structure and a lamp with the same. The lamp bulb structure includes a lamp housing, a lamp head, a connection base and a wick assembly mounted on the connection base and electrically connected to the lamp head, the lamp housing includes a lighting part having a lighting cavity and a connecting portion having an annular opening communicating with the lighting cavity; the ...