Patents by Inventor Chung-Shun Chang

Chung-Shun Chang 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: 4665472
    Abstract: A fan-drafted lamp includes a supporting base, a lamp fixed on a branched pipe extending from the supporting base, a fan fixed on another branched pipe and protruding from an opening of a hood portion, a power source for powering the fan and the lamp and a hood portion defining the lamp and the fan in the hood. Upon the operation of the fan, the heat radiated by the lamp will be cooled down by a ventilated air flow as drafted by the fan, so as to provide a comfortable reading surroundings under the lamp.
    Type: Grant
    Filed: June 30, 1986
    Date of Patent: May 12, 1987
    Inventor: Chung-Shun Chang