Patents by Inventor James G. Marshall

James G. Marshall 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).

  • Method for manufacturing composite material
    Patent number: 5141690
    Abstract: A method and apparatus for manufacturing perforate, fiber reinforced composite material wherein the fiber reinforcing material is impregnated with the resin which is cured to give a strong light material.
    Type: Grant
    Filed: January 22, 1991
    Date of Patent: August 25, 1992
    Assignee: The British Petroleum Company p.l.c.
    Inventor: James G. Marshall