ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,291, issued on Dec. 2, was assigned to Shenzhen Caross Co. Ltd (Shenzhen, China).
"Jumper cable device and jump start system" was invented by Chunyi Zhu (Hunan, China) and Leibo Zhuang (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A jumper cable device includes an input to be connected with an startup power source, two clamps to be connected to a battery of a load, a main controller, a clamp polarity detection module, a forced mode feedback module and a clamp connection module; the main controller is connected to the clamp polarity detection module and the clamp connection module, the clamp polarity detection module and the clamp co...