Patents by Inventor Vivian CHAN

Vivian CHAN has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Protective Mask and Manufacturing Method Thereof
    Publication number: 20220007756
    Abstract: A protective mask includes a cover body configured for fittingly covering the user's face and a wearing device configured wearing the cover body on the user's face, so as to allow the air to enter only through the protective mask as much as possible, which minimizes the change for air to enter through the gap between the mask and the face, so as to ensure the protection.
    Type: Application
    Filed: July 10, 2020
    Publication date: January 13, 2022
    Inventor: Vivian CHAN