ALEXANDRIA, Va., July 23 -- United States Patent no. 12,364,335, issued on July 22, was assigned to Stephen John Knight (London).

"Concealable panel-engagement apparatus" was invented by Stephen John Knight (London) and Han Lu (Alicante, Spain).

According to the abstract* released by the U.S. Patent & Trademark Office: "Concealable panel-engagement apparatus (10) for attaching a panel (16) to opposing perimeter support surfaces (40a). The concealable panel-engagement apparatus (10) comprising at least one elongate support rack (12) which is receivable in a said panel (16). The elongate support rack (12) has a plurality of rack openings (22) and an end peg (18) extendable from the panel (16). A rack driver (14) is also provided which is en...