Patents Assigned to GM Co., Ltd.
  • Air cleaner
    Patent number: D324419
    Type: Grant
    Filed: September 25, 1990
    Date of Patent: March 3, 1992
    Assignee: GM Co., Ltd.
    Inventor: Hiroaki Kanazawa
  • Air cleaner
    Patent number: D326513
    Type: Grant
    Filed: September 4, 1990
    Date of Patent: May 26, 1992
    Assignee: GM Co., Ltd.
    Inventor: Hiroaki Kanazawa