Report copyright - (12) UnitedStatesPatent US9,249,192B2€¦ · (12) UnitedStatesPatent Menget al. US009249192B2 US9,249,192B2 Feb.2,2016 (10) PatentNo.: (45) DateofPatent: (54) (71) (72) (73) (*)
Please pass captcha verification before submit form
Please pass captcha verification before submit form