ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,041, issued on June 23, was assigned to ZheJiang TOPSUN Logistics Control Co. Ltd. (Yuhan City, China).
"Vehicle dolly" was invented by Zhengzhong Zhu (Yuhuan City, China), Zhiguo Liu (Yuhuan City, China), Zhifang Jin (Yuhuan City, China), Gang Chen (Yuhuan City, China) and Xiao Jiang (Yuhuan City, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vehicle dolly comprises two parallel lifting axle assemblies and two wheel assemblies, two ends of each of the lifting axle assemblies being detachably connected to the two wheel assemblies, each of the wheel assemblies comprising: a main beam; a first support wheel and a second support wheel; a first...