ALEXANDRIA, Va., March 17 -- United States Patent no. 12,576,219, issued on March 17, was assigned to WUXI NEST BIOTECHNOLOGY Co. LTD (Wuxi, China).

"Spraying assembly" was invented by Weidong Yang (Wuxi, China), Feng Chen (Wuxi, China) and Xiaojian Zhu (Wuxi, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A spraying assembly, including an atomizer, a sprayer and a rubber plug, and an atomizer inner cavity and an atomizer channel located below the atomizer inner cavity are provided in the atomizer, an atomizer end (130) is included in a lower part of the atomizer, and a side wall of the atomizer end is provided with at least one opening; the rubber plug is located at a bottom end of the atomizer inner ...