ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,736,510, issued on Sept. 15, was assigned to DEEPVISIONS Co. LTD. (Seoul, South Korea).
"Environmental monitoring device using smart phone" was invented by Bong Su Kang (Seoul, South Korea), Jun Sang Cho (Seoul, South Korea), Min Ho Kang (Seoul, South Korea) and Jung Woo Yoo (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An environment monitoring device includes a first case, a second case coupled to the first case, and a smart phone provided fixed in an inner space between the first case and the second case, wherein the smart phone is configured to measure a fine dust concentration around the environment monitoring device based on ...