ALEXANDRIA, Va., Nov. 6 -- United States Patent no. D1,100,619, issued on Nov. 4, was assigned to NINGBO LIYANG NEW MATERIAL COMPANY Ltd. (Ningbo, China).
"Auxiliary frame for curtain cutting" was invented by Baoguo Tan (Zhejiang, China) and Jianhong Wei (Zhejiang, China).
The patent was filed on April 13, 2023, under Application No. D/889,477.
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