US Patent Issued to Nilfisk on Sept. 29 for "Vacuum cleaner" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. D1,150,746, issued on Sept. 29, was assigned to Nilfisk A/S (Brondby, Denmark).

"Vacuum cleaner" was invented by An Tang (Suzhou, China), Xiaowei Ma (Suzhou Industrial Park, China) and Lianchao Shang (Suzhou, China).

The patent was filed on Aug. 25, 2023, under Application No. D/900,865.

*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=D1150746&OS=D1150746&RS=D1150746

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