ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,285, issued on June 17, was assigned to LEADWAY (HK) Ltd. (Sheung Wan, China).

"Nucleic acid extraction instrument" was invented by Haiming Mao (Zhejiang, China), Zijian Luo (Zhejiang, China), Tao Wang (Zhejiang, China), Chun Yu (Zhejiang, China) and Tao Lin (Zhejiang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a nucleic acid extraction instrument including a base, an outer housing connected with the base, and an instrumental main body positioned inside the outer housing and mounted to the base; and the instrumental main body includes an electrical power pack, a main control device, a first motor set, a secon...