ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,426,737, issued on Sept. 30, was assigned to BRAVILOR BONAMAT B.V. (Heerhugowaard, Netherlands).

"Coffee or milk machine and method of operating such a machine" was invented by Mathias Anthonius Franciscus Rutten (Heerhugowaard, Netherlands) and Antonius Johannes Spijker (Heerhugowaard, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "A coffee machine including a frother with an outlet channel for coffee and milk foam, and supply channels for milk, air, and steam respectively, and a nonreturn valve to prevent a fluid in one of the channels from flowing in an undesirable direction. The coffee machine also includes a clean water supply channel ...