ALEXANDRIA, Va., July 23 -- United States Patent no. 12,364,808, issued on July 22, was assigned to IPV (Seoul, South Korea).

"Liquid medicine injection device" was invented by Kiung Kim (Incheon, South Korea), Wonkyung Bang (Seoul, South Korea), Daejong Park (Seoul, South Korea) and Seungha Kim (Goyang-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A medical liquid injection device is provided. The medical liquid injection device includes a base body, a needle assembly mounted on the base body, a reservoir fluidly connected to the needle assembly and having a guide groove on an inner surface, and a driving unit configured to move a plunger disposed inside the reservoir."

The patent was file...