ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,508,838, issued on Dec. 30, was assigned to DONGGUAN JINWANG CHILDREN PRODUCTS Co. LTD. (Guangdong, China).
"Wheel assembly device" was invented by Wei Li (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a wheel assembly device. The wheel assembly device includes a connection base, a wheel assembly that is deployable, and a positioning assembly configured to position the wheel assembly. The wheel assembly is movably connected to the connection base and switchable between a deployed position and a storage position. The connection base has a positioning space. The wheel assembly is configured to rotate to an interior of the pos...