Patents by Inventor John T. Zoltai

John T. Zoltai 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).

  • Electronic authentication system
    Patent number: 4193061
    Abstract: An electronic authentication system utilizing a predetermined random code to simultaneously interrogate the control unit and the remote unit by a comparison of the response of each unit.
    Type: Grant
    Filed: July 11, 1978
    Date of Patent: March 11, 1980
    Inventor: John T. Zoltai