Patents by Inventor James P. Graf

James P. Graf 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).

  • Non-halogenated plenum cable
    Patent number: 5253317
    Abstract: A non-halogenated cable for use in an electronic system having a core which includes a transmission medium, the transmission medium being a metallic or optical fiber conductor having thereon an insulating layer of non-halogenated polyethersulfone polymer composition, and a non-halogenated jacket which enclosed the core and the transmission medium, said non-halogenated jacket being a single layer of insulating material.
    Type: Grant
    Filed: November 21, 1991
    Date of Patent: October 12, 1993
    Assignee: Cooper Industries, Inc.
    Inventors: Richard C. Allen, James P. Graf