Patents Assigned to Youfu Kou Chao Industrial Co., Ltd.
  • Patent number: D338923
    Type: Grant
    Filed: August 13, 1991
    Date of Patent: August 31, 1993
    Assignee: Youfu Kou Chao Industrial Co., Ltd.
    Inventor: Sun J. Ran
  • Patent number: D350284
    Type: Grant
    Filed: June 8, 1993
    Date of Patent: September 6, 1994
    Assignee: Youfu Kou Chao Industrial Co., Ltd.
    Inventor: Sun J. Ran
  • Patent number: D353727
    Type: Grant
    Filed: November 3, 1993
    Date of Patent: December 27, 1994
    Assignee: Youfu Kou Chao Industrial Co., Ltd.
    Inventor: Jin R. Sun
  • Patent number: D369022
    Type: Grant
    Filed: August 16, 1994
    Date of Patent: April 23, 1996
    Assignee: Youfu Kou Chao Industrial Co., Ltd.
    Inventor: Jin R. Sun