ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,472,305, issued on Nov. 18, was assigned to CC BIOTECHNOLOGY Corp. (Tainan, Taiwan).
"Syringe" was invented by Chin-Min Yeh (Tainan, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A syringe has an injection mechanism configured to be detachably connected to a medicine vial. The injection mechanism can be manually triggered to convert an injection mode and a standby mode; the injection mechanism has a housing, a spiral pushing assembly, a metering guide sleeve, a total volume control nut, a diagonal tension knob, and a metering screw; after the medicament liquid in the medicine vial is used up, a user can remove the medicine vial, the injection me...