Patents by Inventor Steven J. Beer

Steven J. Beer 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).

  • Microsphere encapsulation of gene transfer vectors
    Patent number: 6048551
    Abstract: A controlled release delivery system includes a functional gene vector in a biodegradable polymeric microsphere encapsulating the vector. The present invention further provides a method of making a controlled release delivery system by encapsulating the functional gene vector in a biologically degradable polymeric microsphere.
    Type: Grant
    Filed: March 27, 1997
    Date of Patent: April 11, 2000
    Inventors: John M. Hilfinger, Beverly L. Davidson, Steven J. Beer, John R. Crison, Gordon L. Amidon