Patents by Inventor Randal D. Hall

Randal D. Hall 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).

  • Switch cover blockout device
    Patent number: D925467
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: July 20, 2021
    Assignee: American Electric Power Company, Inc.
    Inventors: Victor Meszaros, Randal D. Hall, David J. Ziegler