Patents by Inventor Shyh-Ling Lin

Shyh-Ling Lin 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).

  • Ball point pen with self-provided illuminator
    Patent number: 4890204
    Abstract: The present invention comprises a ballpoint pen with self-illumination, comprising a writing device and an illuminating device. The two independent parts, the writing device and the illuminating device, are coupled together by a screw joint. Said illuminating device is equipped with a lamp to emit light which is reflected via a lamp reflector and a light reflecting sleeve, through the pen holder of the writing device so as to light up a writing surface.
    Type: Grant
    Filed: February 22, 1988
    Date of Patent: December 26, 1989
    Inventors: Shyh-Ling Lin, Yeong-Sung Lin