Patents by Inventor Jack W. Paavila

Jack W. Paavila 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).

  • Tree gripping device
    Patent number: 4781518
    Abstract: A tree gripping device adapted to be mounted on the top of a bulldozer blade. The device has a base member mounted on top of the blade, the base member projecting past one side of the blade. A gripping arm is pivotally mounted on the projecting portion of the base member, the arm extending along the side of the blade. Actuating structures move the gripping arm toward the side of the blade to grip a tree between them.
    Type: Grant
    Filed: February 12, 1988
    Date of Patent: November 1, 1988
    Assignee: Equipements Denis Inc.
    Inventor: Jack W. Paavila