Patents by Inventor Meng-Chang Hsiao

Meng-Chang Hsiao 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: 4654764
    Abstract: A hand-held illumination device includes a body adapted to contain a battery and a head portion containing a light bulb and being rotatable relative to the body about two orthogonal axes. A connector member is mounted on the body for rotation relative thereto about a first axis, and has hook members slidingly engaging slots on a spherical portion of the head portion to permit rotation of the head portion about a second axis orthogonal to the first axis.
    Type: Grant
    Filed: October 15, 1985
    Date of Patent: March 31, 1987
    Inventor: Meng-Chang Hsiao
  • Patent number: 4535391
    Abstract: A portable emergency light comprising two lamps at slopes on two lateral sides with the slope design to lower their height and space requirement, connection means consisting of slipper and slotted block between each lamp and light body, so that the lamps is detachable for moving to any other area for lighting purpose; controllers for lighting, extinguishing or flickering each respective lamps for lighting or warning purpose to add function of the emergency light and a plug on its holder to connect rectified and voltage reduced power source to the emergency light while it is positioned on the holder and the emergency light is disconnected from the said power source by applies its own built-in battery after it is detached from the holder.
    Type: Grant
    Filed: July 20, 1984
    Date of Patent: August 13, 1985
    Inventor: Meng-Chang Hsiao
  • Patent number: D295561
    Type: Grant
    Filed: October 4, 1985
    Date of Patent: May 3, 1988
    Inventor: Meng-Chang Hsiao