Patents Assigned to World Wide Product Development Co. Ltd.
  • Attachment for a telephone supporting device
    Patent number: D346608
    Type: Grant
    Filed: December 1, 1992
    Date of Patent: May 3, 1994
    Assignee: World Wide Product Development Co. Ltd.
    Inventor: Ampton Leung
  • Cutting tool
    Patent number: D369533
    Type: Grant
    Filed: September 8, 1994
    Date of Patent: May 7, 1996
    Assignee: World Wide Product Development Co., Ltd.
    Inventors: Carl J. Luttmer, Raymond L. Tolver