Patents by Inventor Jeffrey William Cheng

Jeffrey William 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).

  • Cleaning tool
    Patent number: D514763
    Type: Grant
    Filed: December 21, 2004
    Date of Patent: February 7, 2006
    Assignee: Lyall Turbosonics, Inc.
    Inventors: Lucian Hite Lyall, III, Jeffrey William Cheng