ALEXANDRIA, Va., July 28 -- United States Patent no. D1,137,872, issued on July 28, was assigned to Zhongshan Solingen Technology Co. Ltd. (Zhongshan, China).
"Razor" was invented by Haiyan Zhu (Zhongshan, China) and Bin Wu (Zhongshan, China).
The patent was filed on Sept. 4, 2025, under Application No. D/021,375.
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