Patents by Inventor Mary L. Gianelli

Mary L. Gianelli 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: 4483885
    Abstract: A thin film electropheretic device formed of layers with a substrate, electrodes on the substrate and a gel form over both.
    Type: Grant
    Filed: November 4, 1983
    Date of Patent: November 20, 1984
    Assignee: E. I. Du Pont de Nemours & Company
    Inventors: Edward M. Chait, Mary L. Gianelli, Donald R. Johnson
  • Patent number: 4443319
    Abstract: A thin film electropheretic device formed of layers with a substrate, electrodes on the substrate and a gel form over both.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: April 17, 1984
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Edward M. Chait, Mary L. Gianelli, Donald R. Johnson