Patents by Inventor Cynthia Fu Chit

Cynthia Fu Chit 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).

  • Four stage sharpener
    Patent number: D640523
    Type: Grant
    Filed: June 7, 2010
    Date of Patent: June 28, 2011
    Assignee: Wusthof-Trident of America, Inc.
    Inventors: Rene Henry Stutz, Robert Krane, Cynthia Fu Chit
  • Two stage sharpener
    Patent number: D640909
    Type: Grant
    Filed: June 7, 2010
    Date of Patent: July 5, 2011
    Assignee: Wusthof-Trident of America, Inc.
    Inventors: Rene Henry Stutz, Robert Krane, Cynthia Fu Chit