Patents Assigned to APPA Technology Corporation
  • Clamp multimeter
    Patent number: D332574
    Type: Grant
    Filed: February 15, 1991
    Date of Patent: January 19, 1993
    Assignee: APPA Technology Corporation
    Inventor: Shang-Wen Chang
  • Electrical multimeter
    Patent number: D363441
    Type: Grant
    Filed: December 13, 1994
    Date of Patent: October 24, 1995
    Assignee: APPA Technology Corporation
    Inventor: Shang-Wen Chang