ALEXANDRIA, Va., March 17 -- United States Patent no. 12,575,811, issued on March 17, was assigned to Zeteo Tech Inc. (Sykesville, Md.).

"Diagnosis of respiratory diseases by capturing aerosolized biomaterial particles using packed bed systems and methods" was invented by Dapeng Chen (Sykesville, Md.), Wayne A. Bryden (Sykesville, Md.) and Michael McLoughlin (Sykesville, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and devices for capturing and analyzing aerosolized particles in exhaled breath characteristic of a respiratory disease to enable rapid, low-cost point of care assays for several diseases including respiratory tract diseases such as COVID-19 are disclosed. The disclosed methods and s...