ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,377,899, issued on Aug. 5, was assigned to Dongguan Leoace Metal & Plastic Products Co. Ltd. (Dongguan, China).
"Baby stroller capable of implementing free switching between single seat and double seats" was invented by Xuhui Huang (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A baby stroller capable of implementing free switching between a single seat and double seats, includes a stroller body, wherein a retractable chassis is provided at the bottom of the stroller body, a retractable upper enclosure is mounted at a middle portion of the stroller body, the retractable upper enclosure comprises a fixed rod and a telescopic rod, the fix...