Patents by Inventor Ko Tung Fei

Ko Tung Fei 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).

  • Corkscrew
    Patent number: D845097
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: April 9, 2019
    Assignee: Lifetime Brands, Inc.
    Inventor: Ko Tung Fei