Patents by Inventor John K. Witherspoon

John K. Witherspoon 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).

  • Mortise and bevel cutter
    Patent number: 4567802
    Abstract: A mortise and bevel cutter (10) includes a base (11) and a table (12) mounted thereon for rotation. A platform (22) is mounted for pivotal movement on table (12). A cutter assembly which includes a blade holder (40) and blade (45) is mounted on a handle (29) in a position to cut molding which is positioned on platform (22). A cut having a desired angle can be made by adjusting the position of the table (12) and the platform (22) to variable positions. A wedge (19) is mounted to move progressively under the platform (22) in order to position it securely at any desired angle.
    Type: Grant
    Filed: October 22, 1984
    Date of Patent: February 4, 1986
    Inventor: John K. Witherspoon