Patents Assigned to Rooftop Systems Inc.
  • Roof mounting curb
    Patent number: 5148647
    Abstract: A roof mounting curb which may have its sides formed with hinge ears and hinge pin inserted into the ears to secure the curb sides to each other. Slots are provided in the curb sides and may be provided in the duct supports to position the duct supports.
    Type: Grant
    Filed: August 16, 1991
    Date of Patent: September 22, 1992
    Assignee: Rooftop Systems Inc.
    Inventor: Phillip R. Rutledge