Patents by Inventor Thomas A. Ditzler

Thomas A. Ditzler 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).

  • Law poster compliance system and method
    Patent number: 12619844
    Abstract: A law poster compliance system and method including a law poster having an RFID tag thereon, a verification reader removably securable to the law poster and having a housing and a central controller in communication with a modem, a battery, an RFID reader and a display, and a content management database for determining if the law poster is compliant with federal, state and local laws and regulations. The display includes a compliant indicator that is displayed if the content management database determines the law poster is compliant. The display includes an indicator that is displayed if the content management database determines the law poster is not compliant.
    Type: Grant
    Filed: September 25, 2025
    Date of Patent: May 5, 2026
    Assignee: J. J. Keller & Associates, Inc.
    Inventors: Benjamin L. Burleson, Joslyn B. Siewert, Paul E. Paulick, Robert R. Larsen, Thomas A. Ditzler