Patents Assigned to Qingdao Haier Communication Co., Ltd.
  • Mobile phone
    Patent number: D491542
    Type: Grant
    Filed: October 30, 2002
    Date of Patent: June 15, 2004
    Assignees: Haier Group Corporation, Qingdao Haier Communication Co., Ltd.
    Inventors: Yongsen Chai, Chunguang Song, Xintao Sun