Patents by Inventor Janet Lancaster

Janet Lancaster 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).

  • Gaskets
    Patent number: 4792491
    Abstract: Graphite gaskets with an improved release characteristic are treated with a finely powdered release agent such a graphite powder which is then pressed into the gasket surface.
    Type: Grant
    Filed: November 26, 1986
    Date of Patent: December 20, 1988
    Assignee: T & N Materials Research Limited
    Inventors: Alan Atkinson, Katryna Dearden, Janet Lancaster