ALEXANDRIA, Va., April 9 -- United States Patent no. 12,270,729, issued on April 8, was assigned to WUHAN OPTICS VALLEY ZOYON SCIENCE AND TECHNOLOGY Co. LTD. (Wuhan, China).

"Crossbeam for measuring deformation velocities of surface of material under dynamic loads" was invented by Min Cao (Hubei, China), Dejin Zhang (Hubei, China), Hong Lin (Hubei, China), Xinlin Wang (Hubei, China) and Yi Lu (Hubei, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A crossbeam for measuring deformation velocities of a surface of a material under a dynamic load includes a crossbeam body, a first type of velocimeter and a second type of velocimeter-mounted on the crossbeam body. The crossbeam body is mounted on a measureme...