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1980 - AO named US Department of Commerce E-Star Award for outstanding accomplishments in international trade.
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2009 - Empower self ligating bracket is introduced and becomes AO's leading bracket in this category.
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2011 - Radiance Plus is introduced and replaces the original Radiance bracket. With its superior clarity, stronger tie-wings and the Quad-Matte® Base, this bracket is one of most beautiful brackets available.