Patents by Inventor Wei Meng Pi

Wei Meng Pi 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).

  • Light driver for shoe
    Publication number: 20030011325
    Abstract: A light driver for shoe comprises a power source, a switch unit, a controller, and a plurality of LEDs. The power source is composed of a first battery and a second battery in serial arrangement to provide two kinds of levels for LEDs with different characteristics. The switch unit is connected to an input of the controller, and the LEDs are connected to an output of the controller. The controller receives a triggering signal from the switch unit and drives the LEDs to flash.
    Type: Application
    Filed: July 13, 2001
    Publication date: January 16, 2003
    Inventor: Wei Meng Pi