US Patent Issued to Alfred Kaercher on Oct. 27 for "Vacuum cleaner" (German Inventors)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. D1,155,941, issued on Oct. 27, was assigned to Alfred Kaercher SE & Co. KG (Winnenden, Germany).

"Vacuum cleaner" was invented by Denis Dammkoehler (Backnang, Germany) and Yunjin Zhao (Winnenden, Germany).

The patent was filed on May 5, 2025, under Application No. D/002,335.

*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=D1155941&OS=D1155941&RS=D1155941

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