Patents by Inventor Chuang-Tien Chuan

Chuang-Tien Chuan 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: 4928955
    Abstract: A toy includes a base, a curved sliding rail having a first end and a second opposite end, a tower having thereon a waved continuous guiding surface, a rotatable shaft in the tower, a flying piece guided to revolve along the waved guiding surface, and a sliding piece capable of sliding from the first end to the second opposite end and capable of being carried from the second end to the first end by the flying piece. The flying piece and sliding piece each having a magnetic member thereon for attracting each other to perform the carrying function.
    Type: Grant
    Filed: May 25, 1989
    Date of Patent: May 29, 1990
    Inventor: Chuang-Tien Chuan