ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,415,562, issued on Sept. 16, was assigned to Wonderland Swizterland AG (Steinhausen, Switzerland).
"Wheeled carrying apparatus" was invented by Zheng-Wen Guo (Guangdong, China), Er Xue Wang (Guangdong, China), Shoufeng Hu (Guangdong, China), Mingxing Sun (Guangdong, China) and Hongtao Yin (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A wheeled carrying apparatus includes a standing frame, a handle frame, a wheel mount, a locking assembly and a release mechanism. The handle frame is rotatable between a first and a second position. The wheel mount carries a wheel and is rotatable relative to the standing frame for changing an orientati...