ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,780,283, issued on Nov. 3, was assigned to Wonderland Switzerland AG (Steinhausen, Switzerland).
"Foldable car seat carriage" was invented by Curtis M. Hartenstine (Birdsboro, Pa.) and Andrew Ma (Exton, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A foldable car seat carriage includes a frame unit and an engagement unit. The frame unit includes two leg frames. Each of the leg frames includes two legs pivotable relative to each other, and a driving mechanism. The driving mechanism has opposite ends connected pivotally to the legs at first and second intersections. The engagement unit includes two bayonets. Each of the bayonets has a linking portion ...