Patents by Inventor Johnny S. C. Yuen

Johnny S. C. Yuen 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: 4604075
    Abstract: Toy helicopter with a control unit which can be removed from the body of the helicopter and placed in one of several positions. The helicopter has a rotor blade which is powered by a motor connected to it via compound gears and a rotary driving shaft. The motor is controlled by a removable control unit which is inserted into the helicopter body and which has an activating switch. When the activating switch is pushed, the switch contact is moved into position to complete the circuit with the battery contact and the resulting electricity from the battery travels to the motor.The control unit is a self-contained unit which is connected to the driving mechanism of the helicopter by a wire cord which may be stored in the helicopter's body.
    Type: Grant
    Filed: May 22, 1985
    Date of Patent: August 5, 1986
    Assignee: Arco Industries
    Inventors: Lawrence D. Richards, Johnny S. C. Yuen
  • Patent number: 4397468
    Abstract: A target game adapted to be operated by darts from toy dart guns, thrown objects and the like, comprises a front panel arranged for vertical positioning, a row of simulated tin can targets are arrived along the upper edge of said panel and are supported upon depending arms pivotally supported rearwardly of the front panel, and score indicating panels are mounted on said arms in a manner to be positioned opposite one of a series of viewing openings in the front panel when a can target is hit by an object and toppled rearwardly and pivotally. Each arm adjacent the pivot therefor has a cam engageable with a corresponding projection on a horizontal rod rearwardly of the front panel to cause limited rotatary movement of the rod to actuate an elongated flexible member having a striker positioned to hit an audible signal member when the flexible member is flexed incident to the aforementioned movement of the rod.
    Type: Grant
    Filed: April 30, 1982
    Date of Patent: August 9, 1983
    Assignee: Arco Industries Ltd.
    Inventors: Bruce M. D'Andrade, Johnny S. C. Yuen
  • Patent number: 4361981
    Abstract: A case having a hinged top supporting a mirror and battery-powered lighting structure including rows of at least three transparent bulbous globes along opposite side edges of the mirror, a single electric bulb adjacent each row of globes, a reflector positioned opposite each globe and rearward of the bulb and adapted to reflect light from the single bulb into each row of globes and commonly through all of the globes to illuminate said mirror from opposite edges, the case having a compartment in which a doll head with a wig and a base is storable in horizontal position in the compartment and is mountable in upright position upon support mechanism in the case selectively to face the mirror when the top is vertical or the front of the case.
    Type: Grant
    Filed: June 1, 1981
    Date of Patent: December 7, 1982
    Assignee: Arco Industries Ltd.
    Inventors: Walter S. Reiling, Kwok W. Tsui, Johnny S. C. Yuen