ALEXANDRIA, Va., June 4 -- United States Patent no. 12,318,815, issued on June 3.
"Pressure washer wand cleaning attachment" was invented by John Johnson (Spring Branch, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates generally to the field of pressure washer wands and a cleaning attachment that can be attached to any standard pressure washer wand. The attachment has a roller assembly with a bristled roller head. The head can be positioned in front of the spray tip of a wand such that water that exits the wand causes the head to spin."
The patent was filed on May 17, 2022, under Application No. 17/745,914.
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