ALEXANDRIA, Va., May 12 -- United States Patent no. 12,623,097, issued on May 12, was assigned to Air Flo Labs LLC (Sunnyvale, Calif.).

"Reusable face mask" was invented by Kevin Ngo (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A reusable face respirator mask for respiratory protection comprising a body dimensioned to fit over a portion of a face of a wearer, including a rigid support component and a flexible seal component molded to the rigid support component, a replaceable filtering element sized and configured to removably cover the rigid support component, and a cover configured to removably couple with the rigid support component of the body. The filtering element is used to filter...