Patents by Inventor Dale R. Sumner

Dale R. Sumner 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).

  • Bone and tissue scaffolding for delivery of therapeutic agents
    Patent number: 7674477
    Abstract: The present invention provides a bone in-growth surface for implants which has a structure for delivering therapeutic agents to surrounding bone and tissue. The bone in-growth surface may comprise scaffolding and a controlled-permeability layer which contains the therapeutic agents in a variety of reservoirs. The porosity of the scaffolding may be controllable from zero porosity to essentially a fully porous material.
    Type: Grant
    Filed: January 5, 2006
    Date of Patent: March 9, 2010
    Assignee: University of Notre Dame du Lac
    Inventors: Steven R. Schmid, Glen L. Niebur, Dale R. Sumner