ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,742,509, issued on Sept. 22, was assigned to K.H.S. Musical Instrument Co. Ltd. (New Taipei City, Taiwan).
"Dual-use adaptor and speaker stand having the same" was invented by Li-Gang Wang (Tianjin City, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A dual-use adaptor includes a stationary tube, a section tube, a conversion nut, an adjusting stud, a first positioning screw, and a second positioning screw. The stationary tube includes a first end fixed to the section tube and a second end rotationally coupled to the conversion nut. The adjusting stud includes a positioning groove and is disposed within the stationary tube to threadably couple wit...