ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,508,452, issued on Dec. 30.
"Multifunctional respiratory protective face mask" was invented by Steven Bietz (Cumming, Ga.).
According to the abstract* released by the U.S. Patent & Trademark Office: "One embodiment of the present invention provides a multifunctional face mask system adapted to receive a nebulizer system, enabling a user to be treated by a nebulizer medication, while simultaneously providing a hygienic barrier between the user and their external environment via at least one filter component. The present invention further provides a multifunctional face mask system that is self-supporting, thereby enabling a user to wear the mask system in a portable manner. The presen...