ALEXANDRIA, Va., July 21 -- United States Patent no. D1,135,756, issued on July 21, was assigned to SANGSIN BRAKE Co. LTD. (Daegu, South Korea).

"Brake disc for a trailer" was invented by Dongjin Ha (Daegu, South Korea), Jaehoon Kim (Daegu, South Korea), Hyunseung Kim (Daegu, South Korea) and Cheolwan Park (Daegu, South Korea).

The patent was filed on April 25, 2025, under Application No. D/001,079.

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