Patents by Inventor Tian-Lin Lo

Tian-Lin Lo 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: 6231204
    Abstract: An optic pen including an end cap with a light source arranged at a front end thereof; a pen tube, secured to the front end of the end cap, for holding a wick; and a lens arranged in a rear end of the pen tube for focusing a ring of light around the wick.
    Type: Grant
    Filed: April 20, 1999
    Date of Patent: May 15, 2001
    Inventor: Tian-Lin Lo
  • Patent number: D421141
    Type: Grant
    Filed: May 3, 1999
    Date of Patent: February 22, 2000
    Inventor: Tian-Lin Lo