US Patent Issued on Sept. 2 for "Filtering facepiece respirator with an adjustable inhalation-exhalation valve" (California Inventors)

ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,403,338, issued on Sept. 2.

"Filtering facepiece respirator with an adjustable inhalation-exhalation valve" was invented by Andrew J. Mikaelian (Westlake Village, Calif.), Nyree S. Masoian (San Ramon, Calif.) and Danielle K. Mikaelian (Westlake Village, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A filtering facepiece respirator is provided. The filtering facepiece respirator includes a facemask adapted to fit over the nose and mouth of a wearer, where the facemask comprises a mask body containing a filtering structure. A harness is coupled to the mask body for securing the facemask on the face of the wearer, and a mechanical valve is coupled ...