Patents by Inventor Marvin E. Ratcliffe

Marvin E. Ratcliffe 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).

  • Electrified fence gate
    Patent number: 4708322
    Abstract: An electrified fence gate using a series of flexible electrically conductive gate wires extending generally vertically from a rigid support and being connected to flexible spacing means.
    Type: Grant
    Filed: December 8, 1986
    Date of Patent: November 24, 1987
    Inventor: Marvin E. Ratcliffe