ALEXANDRIA, Va., Oct. 21 -- United States Patent no. D1,154,194, issued on Oct. 20, was assigned to WONDERLAND SWITZERLAND AG (Steinhausen, Switzerland).
"Chair seat and backrest" was invented by Qingmei Tan (Steinhausen, Switzerland), Mingpeng Li (Steinhausen, Switzerland) and Liyi Wang (Steinhausen, Switzerland).
The patent was filed on Jan. 16, 2025, under Application No. D/985,328.
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