Patents Assigned to Advantus Corporation
  • Patent number: 6325345
    Abstract: This invention relates to a hook-shaped hanger adapted to be attached by a pair of spaced prongs to a vertical panel wall and adapted to support an envelope of plastic film that hangs form that hook-shaped hanger to serve as a temporary file repository for a user. The hook-shaped hanger includes a ridge across the outside surface of the hook that retains the envelope on the hook when a file or the like is being removed from the envelope. The envelope may be a single file envelope supported by a single hanger or a multifile expandable envelope supported by two spaced hangers.
    Type: Grant
    Filed: March 31, 2000
    Date of Patent: December 4, 2001
    Assignee: Advantus Corporation
    Inventor: Kevin D. Carpenter
  • Patent number: D452976
    Type: Grant
    Filed: March 3, 2000
    Date of Patent: January 15, 2002
    Assignee: Advantus Corporation
    Inventor: Kevin D. Carpenter