ALEXANDRIA, Va., July 28 -- United States Patent no. D1,137,444, issued on July 28, was assigned to SHENZHEN XINAOSHENG OUTDOOR PRODUCTS Co. LTD. (Shenzhen, China).
"Stress relief toy" was invented by Qiang Xiao (Sanming, China).
The patent was filed on April 16, 2025, under Application No. D/999,496.
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