ALEXANDRIA, Va., Sept. 1 -- United States Patent no. D1,146,188, issued on Sept. 1, was assigned to Hawig Maschinenfabrik GmbH (Bensheim, Germany).
"Floor treatment device" was invented by Michael Daniels (Sulzbach, Germany) and Alexander Erdwiens (Darmstadt, Germany).
The patent was filed on May 14, 2025, under Application No. D/003,624.
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