Patents Assigned to Paramount Concepts Ltd.
  • Folded and hinged HVAC duct connector
    Patent number: 6273145
    Abstract: A plastic form having two or more sections and a hinged joint therebetween can be folded about the hinged joint and joined together by fastening devices to form a plastic duct connector for heating, ventilation and air conditioning systems.
    Type: Grant
    Filed: March 16, 1999
    Date of Patent: August 14, 2001
    Assignee: Paramount Concepts Ltd.
    Inventor: William Andrew Botting