Patents by Inventor De-Hao Liu

De-Hao 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).

  • Means having rotatable connector for electrical applicance
    Publication number: 20030045176
    Abstract: A means having a rotatable connector for connecting with an electrical appliance includes a casing for containing a circuit device and the connector therein; wherein the connector is axial-pivotally coupled to the casing. The present invention is to provide a means having rotatable connector with which connecting to a side of the computer that can be adjusted to avoid hindering the further connection of other connectors. Also the present invention is to enable the means having different functional configurations together with the rotatable connector.
    Type: Application
    Filed: November 20, 2001
    Publication date: March 6, 2003
    Inventor: De-Hao Liu