Patents by Inventor Stephen K Tan

Stephen K Tan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6062577
    Abstract: An improved brake mechanism for wheels of baby carriages and strollers is integrated in a single unit and is adjustable between a universal or swivel state, a directional state, and a brake state. Transformation among the three states can be realized by a foot pedal. The brake mechanism includes a special V-shaped spring, a sliding collar that locks or unlocks the mechanism between the three states, as well as a colored indicator that is used to display the current state of the wheel.
    Type: Grant
    Filed: August 5, 1998
    Date of Patent: May 16, 2000
    Inventor: Stephen K Tan