ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,508,585, issued on Dec. 30, was assigned to GUANGZHOU WONDFO BIOTECH Co. LTD. (Guangzhou, China).

"Biological test cassettes and medical test systems" was invented by Zhihua Zhu (Guangzhou, China), Jie Huang (Guangzhou, China) and Jiangfeng Li (Guangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a biological test cassette and a medical test system, the biological test cassette comprising a support, a cassette body, a chip, a first connecting tube and a second connecting tube. The support is provided with a first via hole. The cassette body is provided with a second via hole corresponding to the position of t...