ALEXANDRIA, Va., July 9 -- United States Patent no. 12,354,583, issued on July 8.
"Voice isolation mask apparatus" was invented by Eduardo Reveron (Viera, Fla.), Efrain Luis Reveron (Trujillo Alto, Puerto Rico) and Carlos Antonio Lugo (Davenport, Fla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a voice suppression mask apparatus which covers only the mouth of a wearer, forming a seal about the mouth to form a voice cavity and preventing the transmission of sounds between the voice cavity and the external environment of the wearer via a vacuum-sealed chamber. The mask apparatus further comprises an inlet passage with a port for a microphone tip, facilitating voice calls in p...