ALEXANDRIA, Va., July 30 -- United States Patent no. D1,086,297, issued on July 29, was assigned to WISTERIA GMBH (Inning, Germany).
"Puzzle box" was invented by Ingo Von Bargen (Inning, Germany) and Xi Zhang (Inning, Germany).
The patent was filed on May 31, 2023, under Application No. D/893,523.
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