ALEXANDRIA, Va., June 5 -- United States Patent no. D1,070,971, issued on April 15, was assigned to Zhuhai Pantum Electronics Co. Ltd. (Zhuhai, China).
"Developing box" was invented by Haifei Gong (Zhuhai, China), Yubing Cao (Zhuhai, China) and Shujia Hou (Zhuhai, China).
The patent was filed on Dec. 3, 2020, under Application No. D/760,750.
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