Patents by Inventor Craig S. McEwen

Craig S. McEwen 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).

  • Low dielectric constant laminate of fluoropolymer and polyaramid
    Patent number: 4895752
    Abstract: Laminate is disclosed comprising a perfluoropolymer reinforced with polyaramid positioned between two layers of copper.
    Type: Grant
    Filed: June 6, 1989
    Date of Patent: January 23, 1990
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Craig S. McEwen
  • Controlled atmosphere firing process
    Patent number: 4891246
    Abstract: A process for firing oxidizable base metals in the presence of organic media in the presence of CO/CO.sub.2 and water to avoid oxidation of the base metal.
    Type: Grant
    Filed: August 23, 1988
    Date of Patent: January 2, 1990
    Assignee: E. I. Du Pont De Nemours and Company
    Inventors: Craig S. McEwen, Noel C. Scrivner