ALEXANDRIA, Va., June 25 -- United States Patent no. 12,336,513, issued on June 24, was assigned to NETVUE TECHNOLOGIES Co. LTD. (Shenzhen, China).
"Hummingbird feeder" was invented by Rui Zhang (Shenzhen, China), Youle Hu (Shenzhen, China), Qiang Feng (Shenzhen, China) and Anding Zhong (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hummingbird feeder includes a food storage cylinder and a feeding container, the feeding container includes a bottom shell and a cover body, the bottom shell is detachably connected with the food storage cylinder, and an annular flange is arranged on the bottom shell; the cover body is sealed and buckled on the annular flange and forms a feeding cavity; the cov...