Patents by Inventor Neng Wen Lin

Neng Wen 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).

  • Hand-free handset for cellular telephone
    Publication number: 20030013502
    Abstract: A hand-free handset for cellular telephone includes a transparent housing, a control circuit board, a voice output device, a receiver, and a power control circuit, the power control circuit triggering an incoming signal display control unit of the control circuit board to flash a set of light emitting elements when the power control circuit detected input/output audio frequency signal of the cellular telephone.
    Type: Application
    Filed: July 12, 2001
    Publication date: January 16, 2003
    Inventor: Neng Wen Lin