ALEXANDRIA, Va., April 15 -- United States Patent no. 12,602,060, issued on April 14, was assigned to Xi'an University of Architecture and Technology (Xi'an, China).

"Intelligent obstacle detection system for unmanned mine vehicle" was invented by Song Jiang (Xi'an, China), Binjian Rao (Xi'an, China), Ruonan Kong (Xi'an, China), Zhixiang Cui (Xi'an, China), Runfeng He (Xi'an, China), Qinghua Gu (Xi'an, China), Xiaoshuang Li (Xi'an, China), Shunling Ruan (Xi'an, China), Yi Tan (Xi'an, China), Sai Zhang (Xi'an, China), Di Liu (Xi'an, China), Xiaohua Ding (Xi'an, China), Li Guo (Xi'an, China), Zhigang Tao (Xi'an, China), Yong Hong (Xi'an, China), Dong Duan (Xi'an, China), Ying Chen (Xi'an, China), Ming Ji (Xi'an, China), Lianjing Ma (Xi'an, C...