Patents by Inventor Benjamin C. H. Cheng

Benjamin C. H. Cheng 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).

  • Watch
    Patent number: D462280
    Type: Grant
    Filed: June 28, 2001
    Date of Patent: September 3, 2002
    Assignee: Citizen Watch Co., Ltd.
    Inventor: Benjamin C. H. Cheng