Patents by Inventor George Vanderploeg

George Vanderploeg 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: 5560574
    Abstract: A hook made of a resilient material for use with brick walls having recessed mortar joints. The hook comprises a hook member and two arms. The hook member is placed in a vertical mortar joint on the brick wall and each arm member is placed in a horizontal mortar joint on the brick wall. The hook is held firmly in place by the arms in contact with the row of bricks lying above and below them.
    Type: Grant
    Filed: October 25, 1994
    Date of Patent: October 1, 1996
    Inventor: George Vanderploeg