ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,551,737, issued on Feb. 17.
"Shaped three dimensional mask with replaceable filter" was invented by Scott Jones (Bellingham, Wash.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A facemask assembly has a three dimensional shape to fit a user's face while covering a user's mouth and nose and providing a space in front of the user's mouth and nostrils. The facemask assembly includes an outer shell layer and an inner lining layer connected to provide a facemask panel having the three-dimensional shape and an interior space to retain a filter. A face stiffener extends through the interior space along a mid-region and curved away from the user's mouth to ass...