Patents by Inventor Kuang Nan Hsieh

Kuang Nan Hsieh 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).

  • Night lamp having a safety device
    Patent number: 5412550
    Abstract: A night lamp includes a cylindrical member disposed in a body so as to form an annular slot. A board is secured on top of the cylindrical member. Two prongs are secured to the board, a light bulb is connected to the prongs. A cap is slidably engaging with the prongs and has a peripheral wall slidably engaged in the annular slot. A spring biases the cap away from the body so as to shield and protect the prongs and in order to prevent users from getting electric shocks.
    Type: Grant
    Filed: October 14, 1994
    Date of Patent: May 2, 1995
    Inventors: Kuang Nan Hsieh, Wen Bin Hsieh