国家知识产权局授予：韩勇9+9多项发明专利证书：

ZL200510041912.4  , ZL02139561.6  , ZL03134453.4 , ZL200510041914.3,

ZL200510041917.7 , ZL200510041918.1,  ZL200510041920.9, ZL200510041915.8,

ZL200510041916.2, ZL200510041913.9 ,ZL200510041921.3  , ZL200510041919.6