US Patent Issued to Zhengzhou Lanzheng International Gold Silver and Jewelry Testing on Oct. 20 for "Air conditioning vent cover" (Chinese Inventor)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. D1,154,899, issued on Oct. 20, was assigned to Zhengzhou Lanzheng International Gold Silver and Jewelry Testing Co. Ltd (Zhengzhou, China).

"Air conditioning vent cover" was invented by Jianping Dan (Kaifeng, China).

The patent was filed on July 4, 2025, under Application No. D/011,588.

*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=D1154899&OS=D1154899&RS=D1154899

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