ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,053, issued on March 18.
"Profi-cartridge apparatus and methods of use thereof" was invented by Christian T. Metcalfe (Mercer Island, Wash.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention comprises an apparatus and/or a method of use thereof for dispensing whipped cream, comprising: a profi including a pressure containment housing, a first receiving port integrated into the pressure containment housing, a dispensing port integrated into the pressure containment housing, and at least a first pressure cartridge containing at least a liquid form of nitrous oxide, where the pressure cartridge includes a pressure gas delivery port and where...