ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,425, issued on Jan. 20.
"Impression material cartridge gasket having air vent hole formed therein" was invented by Hun Jung (Goyang-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an impression material cartridge gasket including: a gasket body that moves up and down along the inner wall surface of a cylinder according to the charging and discharging of a liquid chemical; and a sealing member coupled to the outer circumferential surface of the gasket body. The gasket body includes: a contact jaw that is formed, protruding radially outward, along the height direction of a side wall and contacts the inner wall surface of the...