ALEXANDRIA, Va., July 21 -- United States Patent no. D1,136,448, issued on July 21, was assigned to Chaozhou Chaoan Caitang Junxuan Stainless Steel Products Factory (Chao Zhou, China).
"Sponge holder" was invented by Shuxuan Shi (Chaozhou, China).
The patent was filed on June 11, 2025, under Application No. D/007,828.
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