ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,507,645, issued on Dec. 30, was assigned to Yangzhou University (Yangzhou, China).
"Water culture device for peony" was invented by Yanqing Wu (Yangzhou, China), Yuhan Tang (Yangzhou, China), Linling Yan (Yangzhou, China), Daqiu Zhao (Yangzhou, China), Jun Tao (Yangzhou, China), Lei Huang (Yangzhou, China) and Jiasong Meng (Yangzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A water culture device for peony is provided. The water culture device for peony includes an incubator. The incubator is internally provided with a sliding rack at a middle position. A servo motor is arranged on a right side of the incubator. Second rotating shaft levers ...