Patents Assigned to Insulating Materials Incorporated
  • Self-shielding multi-layer circuit boards
    Patent number: 4770921
    Abstract: Self-shielding multi-layer circuit boards are produced utilizing augmentative replacement techniques.
    Type: Grant
    Filed: September 11, 1986
    Date of Patent: September 13, 1988
    Assignee: Insulating Materials Incorporated
    Inventors: Thomas P. Wacker, Charles W. Eichelberger, Robert J. Wojnarowski