Patents by Inventor Debra Feldman Singer

Debra Feldman Singer 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).

  • Electrically conductive coatings applied by internally charged electrostatic sprayers
    Patent number: 6689457
    Abstract: The present invention provides compositions comprising a graphite, binder precursor and low polarity solvent that upon hardening form layers of an electrically conductive material. The compositions of the present invention are sprayable by an internally charged electrostatic sprayer.
    Type: Grant
    Filed: October 17, 2001
    Date of Patent: February 10, 2004
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: David C. K. Chang, Monica A. Pickett, Debra Feldman Singer, Aleksandr Sorser, Debra Sue Strickland