The mark consists of two "O" letters on above the other interlinked with two "G" letters mirroring each other within a circular band, with interlocking letters "O" and "G" next to a mirror image of the letters "G" and "O" on the bottom of the band, with interlocking letters "O" and "G" next to a mirror image of the letters "G" and "O" below the circular band. Color is not claimed as a feature of the mark.