ALEXANDRIA, Va., July 21 -- United States Patent no. D1,136,069, issued on July 21, was assigned to Ningbo Gemfan Hobby Co. Ltd. (Ningbo, China).

"Obstacle gate for drone racing" was invented by Hengzhi Xiao (Ningbo, China).

The patent was filed on Jan. 12, 2024, under Application No. D/908,349.

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