Patents by Inventor Rudy Xu

Rudy Xu 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).

  • FOLDABLE STEP STOOL WITH FOLD-BLOCKING LOCK
    Publication number: 20230010242
    Abstract: A foldable step stool includes an expandable step frame, steps pivotably coupled to the expandable step frame, and a fold-blocking lock coupled to one of the steps. The fold-blocking lock is operable to block pivotable movement of the steps relative to the expandable step frame when once foldable step stool has been opened.
    Type: Application
    Filed: July 1, 2022
    Publication date: January 12, 2023
    Inventors: Kyle J. Lawrence, Rudy Xu