US Patent Issued to Ningbo Kechen Electrical Appliance on July 21 for "Vacuum cleaner" (Chinese Inventor)

ALEXANDRIA, Va., July 21 -- United States Patent no. D1,136,434, issued on July 21, was assigned to Ningbo Kechen Electrical Appliance Co. Ltd (Ningbo, China).

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

The patent was filed on March 24, 2025, under Application No. D/995,023.

*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=D1136434&OS=D1136434&RS=D1136434

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