Patents by Inventor Li-Hsing Liu

Li-Hsing 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).

  • Speaker Stand Capable of Changing an Angle and a Position of a Speaker
    Publication number: 20140151516
    Abstract: A speaker stand of a speaker is used to support a speaker and contains: a base, an upright tube, an adjustable tube, a securing set, a connecting rod, a fixing member, a rotating member, and a positioning plate. The base includes an upright tube disposed therein. The adjustable tube is mounted in and moves upwardly and downwardly in the base. The securing set, is fitted on a top end of the adjustable tube, rotates 360 degrees leftward and rightward relative to the upright tube, and moves upwardly and downwardly. A fixing member is located at one end of the connecting rod. The rotating member is axially connected with and rotates relative to the fixing member, and a positioning plate is secured on one side of the rotating member and rotates along the rotating member.
    Type: Application
    Filed: December 5, 2012
    Publication date: June 5, 2014
    Inventor: Li-Hsing Liu
  • Speaker
    Patent number: D709481
    Type: Grant
    Filed: April 19, 2013
    Date of Patent: July 22, 2014
    Inventor: Li-Hsing Liu
  • Speaker
    Patent number: D783573
    Type: Grant
    Filed: February 3, 2016
    Date of Patent: April 11, 2017
    Inventor: Li-Hsing Liu