ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,534, issued on Oct. 7.
"Portable shade system" was invented by Adam John Pollock (Lakeside, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A portable shade system that can be wheeled in both the collapsed and deployed states, consisting of a swivel caster wheel for each canopy leg. The wheels are connected to plates that are secured to the bottom of the canopy legs. A series of breakaway connectors between the plates and wheels combined with the ability to lock the caster rotation of the two primary wheels provides the structural rigidity needed for the portable shade system to roll on two wheels similar to a dolly. A storage case with an open...