ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,064, issued on March 18.
"Mop head assembly" was invented by Maria del Pilar Torres (ft Lauderdale, Fla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A mop head assembly designed for microfiber mops, featuring a mop head receiver, a microfiber mop, and a mop head pressure insert. The mop head receiver includes an upper side with a detachable handle receiver and a lower side with a circumferential wall, outward-extending projections arranged circularly, and uniformly spaced pressure insert receiving apertures. The microfiber mop is positioned on the lower side of the receiver. The mop head pressure insert consists of either a quadrilateral frame w...