ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,495,906, issued on Dec. 16, was assigned to NINGBO TENGHAO OUTDOOR Co. LTD. (Ningbo, China).
"Telescopic stool" was invented by Liang Sun (Ningbo, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A telescopic stool, including: a first connection ring, a second connection ring, a plurality of clamping seats, a plurality of anti-deformation members, and a plurality of tightening members. The second connection ring is disposed on an upper part of an inner side of the first connection ring; the plurality of clamping seats are equidistantly disposed on a lower part of an inner side of the second connection ring; the plurality of anti-deformation members ...