ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,816, issued on Oct. 14, was assigned to SHENZHEN YHLO BIOTECH Co. LTD (Shenzhen, China).
"Liquid dispensing pump and liquid dispensing device" was invented by Fuxing Zhang (Shenzhen, China), Yujin Xiao (Shenzhen, China), Kunhui Hu (Shenzhen, China) and Huanjie Qiu (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid dispensing pump comprises: a first liquid storage cylinder, a second liquid storage cylinder, a first plunger movably connected to the first liquid storage cylinder, a second plunger movably connected to the second liquid storage cylinder, and a drive assembly connected to the first plunger and the second plunger. The...