Patents by Inventor Mark A. Grubba

Mark A. Grubba 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: 7004458
    Abstract: Fence bottom shields prevent grass and weeds from growing up through the links or low openings in a fence. Two embodiments are disclosed. The first embodiment comprises a first strip and a second strip whose bottoms are integrally connected. Two end tabs are attached to one end of the first strip and the second strip, and a tab receiving slot is defined by the opposing end of the first strip and the second strip. A plurality of screw holes are defined by holes in the end tabs and the sidewalls of the first strip and second strip. Two fence bottom shields can be joined by inserting the end tab into the tab receiving slot and inserting two screws into the screw holes. The second embodiment comprises a first strip connected to a second strip by a bottom tab inserted into a bottom slot that is secured by a bolt and nut. Two end tabs are attached to one end of the first strip and the second strip, and a tab receiving slot is defined by the opposing end of the first strip and the second strip.
    Type: Grant
    Filed: April 21, 2004
    Date of Patent: February 28, 2006
    Inventors: Karen Grubba, Mark A. Grubba