ALEXANDRIA, Va., June 12 -- United States Patent no. 12,296,422, issued on May 13, was assigned to KEDE NUMERICAL CONTROL Co. LTD. (Liaoning, China).
"Multi-connecting rod linkage angle attachment head" was invented by Hu Chen (Liaoning, China), Xin Deng (Liaoning, China), Hongtao Tang (Liaoning, China), Changlin Du (Liaoning, China), Yapeng Li (Liaoning, China), Cuijuan Guo (Liaoning, China), Haibo Zhang (Liaoning, China), Hongwei Sun (Liaoning, China), Zhihong Wei (Liaoning, China), Guoshuai Zhang (Liaoning, China), Lixin Liu (Liaoning, China), Dawei Wang (Liaoning, China), Dapeng Dong (Liaoning, China), Meng Lin (Liaoning, China), Pei Liu (Liaoning, China), Yanqing Bai (Liaoning, China), Shaoyi Liu (Liaoning, China) and Zidan Ju (Liaoni...