Patents by Inventor Charles E. Cassidy

Charles E. Cassidy 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).

  • Template holder
    Patent number: 4054396
    Abstract: A template holder for clamping a template to a workpiece including a pair of parallel rods mounted one above the other on a spacer block, the upper rod is connected to a template. The lower rod is pivotably connected to the spacer block and is connected to a backing block spaced from the template. The template is positioned on a workpiece and the backing block pivoted to a position beneath the template and work pieces to clamp the workpiece between the template and backing block. With the template locked in place, it is used to mark, cut, or in the drilling of the workpiece.
    Type: Grant
    Filed: August 24, 1976
    Date of Patent: October 18, 1977
    Inventor: Charles E. Cassidy