ALEXANDRIA, Va., Nov. 6 -- United States Patent no. D1,100,749, issued on Nov. 4, was assigned to GUANGDONG FUWA HEAVY INDUSTRIES Co. LTD. (Jiangmen, China).
"Sliding frame" was invented by Zhiqiang Wu (Jiangmen, China) and Heng Zhang (Jiangmen, China).
The patent was filed on Sept. 28, 2023, under Application No. D/903,957.
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