Patents by Inventor Andrew Vincent Johnson

Andrew Vincent Johnson 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).

  • Telephone Line Testing Apparatus With Remote Control
    Publication number: 20230208968
    Abstract: An apparatus for telephone line testing provides a tone generator that can be remotely switched to short or open via a cable pair by monitoring shorts on the cable pair itself to allow a simplified testing protocol with reduced technician travel and without the need for a remote controller carried by the technician.
    Type: Application
    Filed: December 15, 2022
    Publication date: June 29, 2023
    Inventors: Andrew Vincent Johnson, Alan Lee Johnson, Paul Coleman Hunt