ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,457,938, issued on Nov. 4, was assigned to Nanjing Chervon Industry Co. Ltd. (Nanjing, China).
"Outdoor moving device" was invented by Dezhong Yang (Nanjing, China), Yangzi Liu (Nanjing, China), Li Li (Nanjing, China), Ju Li (Nanjing, China) and Changhai Lu (Nanjing, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An outdoor moving device includes a main body, a first energy storage device, a second energy storage device, and a connection assembly. The first energy storage device is capable of supplying power to the outdoor moving device and includes at least one first energy storage unit. The second energy storage device is capable of supplying pow...