ALEXANDRIA, Va., June 17 -- United States Patent no. 12,310,496, issued on May 27, was assigned to NINGBO SOMLE AUDIO-VISUAL TECHNOLOGY Co. LTD (Ningbo, China).
"Audiovisual device rack" was invented by Liming Tao (Ningbo, China) and Weidong Chen (Ningbo, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure provides an audiovisual device rack comprising a column, an adjustment member and a mounting plate, the mounting plate is connected to the column via the adjustment member, and the adjustment member is used to enable the mounting plate to be arranged swingable left and right relative to the column so as to rotate the adjustment member around a center of a circle of arc-shaped slots relative...