Patents by Inventor Herbert S. Cheng

Herbert S. 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).

  • Patent number: D253226
    Type: Grant
    Filed: July 5, 1977
    Date of Patent: October 23, 1979
    Assignee: Chiap Hua Clocks & Watches Ltd.
    Inventor: Herbert S. Cheng