Patents Assigned to Ching-Tsai Wang
  • Patent number: D386385
    Type: Grant
    Filed: March 18, 1996
    Date of Patent: November 18, 1997
    Assignee: Ching-Tsai Wang
    Inventor: Yun-Tung Hsu
  • Patent number: D386386
    Type: Grant
    Filed: March 18, 1996
    Date of Patent: November 18, 1997
    Assignee: Ching-Tsai Wang
    Inventor: Yun-Tung Hsu