Patents Assigned to Eastorac Corporation
  • Removable positive shut-off panel
    Patent number: 5479984
    Abstract: A register of a forced air system is sealed by placing a heavy flexible magnetic panel over the register and adhering the entire panel to the entire register for preventing escape of forced air from the register. The flexible magnetic panel is used on wall registers, on floor registers and on ceiling registers.
    Type: Grant
    Filed: June 7, 1994
    Date of Patent: January 2, 1996
    Assignee: Eastorac Corporation
    Inventors: David Easterbrook, Michael Butorac