Patents by Inventor David Chau Nam Wai

David Chau Nam Wai 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).

  • Flashlight
    Patent number: D463594
    Type: Grant
    Filed: August 21, 2001
    Date of Patent: September 24, 2002
    Assignee: The Brinkmann Corporation
    Inventors: Ellis Hon Siu Cheong, David Chau Nam Wai
  • Flashlight
    Patent number: D463595
    Type: Grant
    Filed: August 21, 2001
    Date of Patent: September 24, 2002
    Assignee: The Brinkmann Corporation
    Inventors: Ellis Hon Siu Cheong, David Chau Nam Wai