Patents Assigned to Shangdong Yongtai Chemical Group Co., Ltd.
  • Tire
    Patent number: D615025
    Type: Grant
    Filed: June 30, 2006
    Date of Patent: May 4, 2010
    Assignee: Shangdong Yongtai Chemical Group Co., Ltd.
    Inventors: Jinlin Ma, Xuejun You, Yongtao Ye