Patents by Inventor Grand Chen

Grand Chen 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).

  • Trilight
    Patent number: 4590543
    Abstract: A trilite characterized by comprising a case with a pivoted head, a separable wall holder, a circuit board and other components wherein the light head and body are pivoted together with two pivots and the circuit board has two rechargeable batteries and a CDS so that the ambient illumination will control the illumination of the bulb and the trilite will function as night light, emergency light and spot light.
    Type: Grant
    Filed: November 5, 1984
    Date of Patent: May 20, 1986
    Assignee: Silver River Electronic Co., Ltd.
    Inventor: Grand Chen