Patents by Inventor Charles I. Ridgway

Charles I. Ridgway 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).

  • Bending Machines
    Patent number: 4658624
    Abstract: A bending machine for forming bends in a sheet material. The bending machine has a pair of spaced relatively fixed forming tools for movement with respect to an unclamped portion of the sheet material to effect corresponding bends in the sheet material.
    Type: Grant
    Filed: April 1, 1985
    Date of Patent: April 21, 1987
    Assignee: Joseph Rhodes Limited
    Inventors: Charles I. Ridgway, John R. Coultish