Patents by Inventor Devin Chi Chan

Devin Chi 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).

  • Medical mask
    Patent number: D822195
    Type: Grant
    Filed: May 30, 2017
    Date of Patent: July 3, 2018
    Assignee: Ascend Eagle Incorporated
    Inventors: Alen Kwong, Devin Chi Chan