Patents by Inventor John K. Johnston

John K. Johnston 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).

  • Publication number: 20240098493
    Abstract: Techniques for identifying a trusted SSID for a wireless network are disclosed. Prior to establishing a connection with a wireless network, a first network message is received from a first access point (AP) identifying a first service set identifier (SSID) associated with a first wireless network, a second network message is received from a second AP identifying a second SSID associated with a second wireless network, and a visual similarity is determined between a first visual representation of the first SSID and a second visual representation of the second SSID. The second SSID is designated as suspicious based on the determined visual similarity.
    Type: Application
    Filed: November 28, 2023
    Publication date: March 21, 2024
    Inventors: Jay K. JOHNSTON, Jerome HENRY, David C. WHITE, JR., Magnus MORTENSEN, John M. SWARTZ, Robert E. BARTON
  • Patent number: 4135129
    Abstract: An electrical testing device adapted to open a circuit upon reaching a predetermined leakage current, including means for generating a leakage current, switching means for applying the leakage current to an electrical circuit and time control means operative to limit the leakage current to the circuit so as to alter the time current characteristic of the leakage current.
    Type: Grant
    Filed: February 10, 1977
    Date of Patent: January 16, 1979
    Inventors: John K. Johnston, Frederick A. Edwards