Oriental Yuhong Obtains Another International Invention Patent Issued by the US Authority

BEIJING, June 29, 2023 /PRNewswire/ — Recently, Oriental Yuhong’s burner and locomotive for spreading waterproof coil in hot melt manner (“Totterman JCJR-100” for short) obtained an invention patent certificate (patent No.: US011668056) issued by the United States Patent and Trademark…