BERLIN (AP) - Police and customs officials investigating suspected patent violations seized dozens of boxes of mobile phones, navigation devices and other gadgets from exhibitors in a technology fair, authorities said Thursday. All the exhibitors who were searched cooperated, except one who was briefly taken to a police station, police said. Of 51 exhibitors affected, 24 were from mainland China, three from Hong Kong and 12 from Taiwan. Another nine were German, and one each were from Poland, the Netherlands and Korea.