Patents Assigned to High Grade Industries Co., Ltd.
  • Speaker
    Patent number: D360209
    Type: Grant
    Filed: December 10, 1993
    Date of Patent: July 11, 1995
    Assignee: High Grade Industries Co., Ltd.
    Inventor: Wen C. Sheu
  • Speaker unit
    Patent number: D360885
    Type: Grant
    Filed: December 10, 1993
    Date of Patent: August 1, 1995
    Assignee: High Grade Industries Co., Ltd.
    Inventor: Wen C. Sheu