ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,416,562, issued on Sept. 16, was assigned to GONGAM SENSORS Co. LTD. (Daejeon, South Korea).
"Light-scattering fine dust measurement apparatus" was invented by Myunghee Son (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light scattering particulate matter measuring apparatus is disclosed. The light scattering particulate matter measuring apparatus according to the present invention comprises: a casing provided with an inlet into which outside air flows and an outlet through which is exhausted measured air of which the particulate matter concentration has been measured; an airflow pathway which connects the inlet and the outlet i...