Patents Assigned to CD Star Co., Ltd.
  • Dual-purpose roller skate
    Patent number: 6328318
    Abstract: A dual-purpose roller skate comprises a boot, a sole plate provided with a plurality of receiving compartments, and a plurality of wheel sets equal in number to the receiving compartments. The wheel sets are pivoted to the receiving compartments of the sole plate such that the wheels of the wheel sets can be extracted from or retracted into the receiving compartments of the sole plate by an adjustment device.
    Type: Grant
    Filed: April 17, 2000
    Date of Patent: December 11, 2001
    Assignees: CD Star Co., Ltd.
    Inventor: Yi-Chuan Hsu