Patents by Inventor Wan-Ping Liu

Wan-Ping Liu 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).

  • Pointer for meter
    Patent number: 7001034
    Abstract: A pointer pivotally mounted in a meter for pointing out the graduations of a scale is disclosed to include a base and a pointing tip extending from the base, which pointing tip having the outside wall extending along the length of the pointing tip and covered with a layer of reflective material and a visible light-penetrable peripheral surface for guiding in external light toward the reflective material.
    Type: Grant
    Filed: January 14, 2005
    Date of Patent: February 21, 2006
    Assignee: Trisco Technology Corp.
    Inventor: Wan-Ping Liu