ALEXANDRIA, Va., Aug. 5 -- United States Patent no. D1,140,364, issued on Aug. 4, was assigned to Changxiong Zhao (Shantou, China).
"Dog muzzle" was invented by Changxiong Zhao (Shantou, China).
The patent was filed on April 2, 2024, under Application No. D/935,466.
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