Patents by Inventor Chin-Pao Liu

Chin-Pao 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).

  • Handsaw
    Patent number: 6516525
    Abstract: A handsaw includes a handle, a saw blade pivotally attached to the handle and a position device movably mounted in the handle to selectively hold the saw blade in place. The handle and the saw blade form an angle that is adjustable because the saw blade is pivotally attached to the handle and selectively positioned by the position device.
    Type: Grant
    Filed: July 2, 2001
    Date of Patent: February 11, 2003
    Inventor: Chin-Pao Liu
  • HANDSAW
    Publication number: 20030000092
    Abstract: A handsaw includes a handle, a saw blade pivotally attached to the handle and a position device movably mounted in the handle to selectively hold the saw blade in place. The handle and the saw blade form an angle that is adjustable because the saw blade is pivotally attached to the handle and selectively positioned by the position device.
    Type: Application
    Filed: July 2, 2001
    Publication date: January 2, 2003
    Inventor: Chin-Pao Liu