ALEXANDRIA, Va., June 16 -- United States Patent no. D1,075,495, issued on May 20, was assigned to Dongguan Rongbei Health Technology Co. Ltd. (Dongguan, China).
"Box for dental floss" was invented by Hua Sun (Longhui, China).
The patent was filed on March 7, 2022, under Application No. D/829,582.
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