US Patent Issued to CCTEG Chongqing Research Institute on Feb. 24 for "Coal mine automatic directional drill" (Chinese Inventors)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,560,028, issued on Feb. 24, was assigned to CCTEG Chongqing Research Institute Co. Ltd. (Chongqing, China).

"Coal mine automatic directional drill" was invented by Dezhong Xin (Chongqing, China), Jun Wan (Chongqing, China), Hang Chen (Chongqing, China), Qingfeng Wang (Chongqing, China), Xiaohua Liu (Chongqing, China), Yuqing Xiao (Chongqing, China), Daihui Ma (Chongqing, China), Shizhai Zhang (Chongqing, China), Lin Yang (Chongqing, China), Zhengang Ma (Chongqing, China), Xin Dou (Chongqing, China), Min Tang (Chongqing, China), Jian Pu (Chongqing, China), Keyu Chen (Chongqing, China), Jinjun Lu (Chongqing, China), Yuan Wan (Chongqing, China), Xing Wang (Chongqing, China), Shiping Lu (...