ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,520,887, issued on Jan. 13.
"Multifunctional protective isolation mask" was invented by Weifeng Lin (Haikou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A multifunctional protective isolation mask is provided, comprising a mask main body (1) and a wearing monitoring mechanism. The wearing monitoring mechanism comprises a temperature sensor (4), a controller (5), a display screen (6) and a first press button (7). After a user wears the mask, the temperature sensor (4) collects corresponding temperature information and transmits the temperature information to the controller (5), and at the same time, the first press button (7) is pressed and tran...