Patents Assigned to T. K. Wong & Associates Limited
  • Patent number: 7762868
    Abstract: A wall descending toy has a housing and a moveable part. A sticky wheel is located with the housing to facilitate movement of the housing down an inclined or vertical surface. There is a mechanical link moveable with movement of the housing and which causes movement of the moveable part.
    Type: Grant
    Filed: September 11, 2007
    Date of Patent: July 27, 2010
    Assignee: T K Wong & Associates Limited
    Inventor: Tak Ko Wong
  • Patent number: 4764148
    Abstract: A toy adapted to crawl down a vertical surface has a frame carrying a shell at one end and a roller at the other. The roller has a corrugated surface of soft tacky material such that the roller will roll slowly down a vertical surface.
    Type: Grant
    Filed: May 1, 1987
    Date of Patent: August 16, 1988
    Assignee: T. K. Wong & Associates Limited
    Inventor: Tak-ko Wong