Appeal No. 1997-4428 Application 08/259,634 felt Teflon coating layer 3. Additionally, the conductive layer 6 is insulated from the rubber blanket 5 by the packing underlay 4 which is to be constructed of paper, cardboard or felt. 6Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 NextLast modified: November 3, 2007