ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,706, issued on Dec. 9, was assigned to Subminimal Pte. Ltd. (Singapore).

"Impeller for automated microfoaming" was invented by Dominic Symons (Singapore).

According to the abstract* released by the U.S. Patent & Trademark Office: "An impeller for automated microfoaming is disclosed. The impeller may comprise a base, a means for coupling the base to a motor, a support wall extending upward from the base, a blade extending upward from the support wall, a shroud disposed about the blade, and a screen coupled to the shroud. The support wall gradually curves inward toward the central axis of the base. The support wall defines a channel, wherein the support wall and base define an outle...