Patents by Inventor Marie A. Vanderwarn

Marie A. Vanderwarn 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).

  • MATERIAL HANDLING DEVICES
    Publication number: 20250074493
    Abstract: Material handling devices are disclosed. Specifically disclosed are hand truck structures such as toe plates, wheel supports, handles, and lock mechanisms, as well as methods of construction and manufacturing. Toe plate support structure and geometry as well as manufacturing methods improve strength and functionality. Handle designs to improve maneuverability as well as comfort while using a hand truck are also disclosed.
    Type: Application
    Filed: August 28, 2024
    Publication date: March 6, 2025
    Applicant: Tricam Industries, Inc.
    Inventors: Joseph P. Foley, Benjamin M. Wernberg, Jackson T. Wilkey, Marie A. Vanderwarn