US Patent Issued to Ningbo Kechen Electrical Appliance on Sept. 22 for "Portable vacuum cleaner" (Chinese Inventor)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. D1,149,227, issued on Sept. 22, was assigned to Ningbo Kechen Electrical Appliance Co. Ltd (Ningbo, China).

"Portable vacuum cleaner" was invented by Yuliang Zhang (Ningbo, China).

The patent was filed on Feb. 21, 2025, under Application No. D/990,566.

*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=D1149227&OS=D1149227&RS=D1149227

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