ALEXANDRIA, Va., April 21 -- United States Patent no. 12,605,420, issued on April 21, was assigned to National Research Institute of Chinese Medicine, Ministry of Health and Welfare (Taipei City, Taiwan).

"Use of plant composition, traditional Chinese medicine composition in preparing medicine for treating COVID-19" was invented by Yi-Chang Su (Taipei City, Taiwan), Wen-Hui Chiou (Taipei City, Taiwan), Yuh-Chiang Shen (Taipei City, Taiwan), Wen-Chi Wei (Taipei City, Taiwan), Keng-Chang Tsai (Taipei City, Taiwan), Chia-Ching Liao (Taipei City, Taiwan), Yu-Hwei Tseng (Taipei City, Taiwan), Chun-Tang Chiou (Taipei City, Taiwan), Yu-Chi Lin (Taipei City, Taiwan), Li-Hsiang Wang (New Taipei City, Taiwan), Chien-Hsien Huang (Taipei City, Taiwan)...