Patents by Inventor William W. Wilkerson

William W. Wilkerson 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).

  • Patent number: 6240658
    Abstract: A lightweight snowplow assembly for mounting to the front of a vehicle. The snowplow assembly is comprised of a V-shaped plow blade portion and a support structure. The plow blade portion includes a nose blade and adjacent side blades. Wear strip members are attached to the bottom of the blade portion and chute members are mounted to the top of each side blade. A mounting structure is attached to the support frame of the plow portion and is constructed and arranged to attach the snowplow assembly to the front of the vehicle. The mounting structure includes a mounting frame, a pair of bumper pads and top and bottom adjustable strap members. The strap members are attached to predetermined positions above and below the bumper of the vehicle.
    Type: Grant
    Filed: November 20, 1998
    Date of Patent: June 5, 2001
    Inventors: Gregory A. Knutson, William W. Wilkerson
  • Patent number: 4733842
    Abstract: A multi-purpose clamp for clamping an attachment to a support structure. This clamp consists of a first rigid panel with two edges, a second rigid panel hingedly attached to the first edge of the first rigid panel, a third rigid panel hingedly attached to the second edge of the first rigid panel, a threaded sleeve and rod for changing the angular orientation of the second rigid panel with respect to the third rigid panel and opposing grips located on the faces of both second and third rigid panels.
    Type: Grant
    Filed: September 5, 1986
    Date of Patent: March 29, 1988
    Inventor: William W. Wilkerson