Patents by Inventor Joseph Anthony von Fraunhofer

Joseph Anthony von Fraunhofer 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).

  • One-step method and preparation for reducing dentinal hypersensitivity
    Patent number: 5906809
    Abstract: A highly acidic oxalate ion-containing preparation, which includes a neuroactive substance, for reducing tooth hypersensitivity, and a method for using same are disclosed.
    Type: Grant
    Filed: October 19, 1995
    Date of Patent: May 25, 1999
    Assignee: University of Maryland, Baltimore
    Inventors: Gary David Hack, Van Purdy Thompson, Joseph Anthony von Fraunhofer
  • Method and kit for treating tooth hypersensitivity
    Patent number: 5874066
    Abstract: A two-step method for treating tooth hypersensitivity so as to prevent, reduce or eliminate the same, and a kit for use in the same, are disclosed.
    Type: Grant
    Filed: July 28, 1997
    Date of Patent: February 23, 1999
    Assignee: University of Maryland, Baltimore
    Inventors: Gary David Hack, Van Purdy Thompson, Joseph Anthony von Fraunhofer