Overlapping Doors, Common Track Patents (Class 16/87B)
  • Door-supporting system for multipanel, side-opening doors
    Patent number: 4073034
    Abstract: A door-supporting system for a multipanel, side-opening door includes a single track from which each panel is supported.
    Type: Grant
    Filed: September 13, 1976
    Date of Patent: February 14, 1978
    Assignee: Dover Corporation
    Inventor: Edward W. Martens