USPTO National Trademark Expo
April Rowden, the U.S. Air Force Trademark and Licensing program chief, provides information to booth visitors during the 2011 U.S. Patent and Trademark Office National Trademark Expo Oct. 14, 2011 at the USPTO headquarters building in Alexandria, Va. The trademark and licensing program represented the Air Force at the expo, displaying a booth and providing information about the program. (U.S. Air Force photo by Staff Sgt. Alex Martinez)