Patents by Inventor JIN-YI GAO

JIN-YI GAO 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).

  • Angle Square
    Publication number: 20110138643
    Abstract: An angle square includes a basic ruler, a pivotal ruler and a light-projecting element. The basic ruler includes a space defined therein. The pivotal ruler is pivotally connected to the basic ruler between an idle position in the space and an active position out of the space. The light-projecting element is connected to the pivotal ruler.
    Type: Application
    Filed: July 30, 2010
    Publication date: June 16, 2011
    Inventor: JIN-YI GAO