Patents by Inventor Donald L. Ullman

Donald L. Ullman 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: 5351733
    Abstract: A reversible door protective device for left-and right-side doors for preventing damage that may be caused during moving of articles through a doorway, includes a generally planar flexible panel of a length corresponding to the length of a door but slightly wider thereto. The panel includes a reversible pocket for engaging with the outer top corner portion of the door and an elastic loop for engaging with the inner top corner portion of the door lying adjacent the hinge of the door. The panel includes left and right side flaps each extending along the length thereof for protecting the side edge portions of the door. The pocket includes an opening that extends along one of the surfaces of the panel. Upon reversing the pocket, however, the opening extends along the opposite surface of the panel.
    Type: Grant
    Filed: April 9, 1993
    Date of Patent: October 4, 1994
    Inventor: Donald L. Ullman