ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,728,343, issued on Sept. 8, was assigned to STATESIDE SKATES LTD. (London).

"Roller skate" was invented by Alistair Crichton (Farnborough, Great Britain) and Jacob Bach Vorre (Aarhus, Denmark).

According to the abstract* released by the U.S. Patent & Trademark Office: "A roller skate is provided, wherein the roller skate includes: a boot including a body portion and a sole, the sole having a longitudinal direction and including two receptacles arranged in interval in the longitudinal direction, each receptacle including a wall and at least one slot open on the sole toward the longitudinal direction, the wall defining at least one opening of the at least one slot; a roller assembly in...