ALEXANDRIA, Va., Sept. 15 -- United States Patent no. D1,148,047, issued on Sept. 15.

"Cartridge for laser printers" was invented by Kezheng Ou (Zhuhai, China), Yubing Cao (Zhuhai, China) and Jiancheng Zhao (Zhuhai, China).

The patent was filed on Jan. 10, 2024, under Application No. D/523,548.

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