ALEXANDRIA, Va., July 9 -- United States Patent no. D1,082,375, issued on July 8, was assigned to NINGBO SUNFREE MOTOR TECHNOLOGY COMPANY Ltd. (Ningbo, China).
"Curtain motor" was invented by Chun Jiang (Ningbo, China).
The patent was filed on May 17, 2024, under Application No. D/942,873.
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