Patents by Inventor William E. Ridley

William E. Ridley 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).

  • Magnetic battery
    Patent number: 4709176
    Abstract: A magnetic battery is provided that includes a helical spring threaded onto a mnagnetic core to increase relative movement between the magnetic core and coils that may be coated with sulfer and zinc oxide to enhance electricity extracted therefrom. The magnetic battery is built into a flashlight casing so that oscillatory motion will provide electricity to operate a lamp therein.
    Type: Grant
    Filed: July 31, 1986
    Date of Patent: November 24, 1987
    Inventors: William E. Ridley, George Spector