ALEXANDRIA, Va., March 5 -- United States Patent no. 12,239,946, issued on March 4, was assigned to FlackTek SpeedMixer Inc. (Landrum, S.C.).

"Mixing cup with extrusion plunger" was invented by Ian Thomas LaRose (Greenville, S.C.), Matthew L. Gross (Boulder, Colo.) and David Gale (Kennesaw, Ga.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device for mixing and dispensing a flowable material or mixture of materials, the device comprising a cup having a bottom with a protrusion having an opening; a plunger having a dispensing port and air vent holes; a plug; a nozzle; and, a lid. The plug can be associated with and plug the cup protrusion opening when the cup is being filled or mixed, or the plug can be as...