Granular Or Carbon Patents (Class 381/180)
  • Patent number: 11266184
    Abstract: A mask is worn to cover a mouth of a wearer, and includes a mask main body made of a cloth-like material, a microphone arranged on the mask main body, and configured to collect voice of the wearer, a cord connected to the microphone, and a support portion that supports the microphone. The support portion is joined to a peripheral portion of the mask main body and higher in rigidity than the mask main body.
    Type: Grant
    Filed: April 2, 2020
    Date of Patent: March 8, 2022
    Inventor: Kathleen Worthington McMahon