ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,226,721, issued on Feb. 18.

"Filter buoy assembly" was invented by Christopher B Lewis (Austin, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A water filter buoy assembly includes a float, a frame for holding a filter, and at least one arm connecting the float to the frame."

The patent was filed on March 30, 2024, under Application No. 18/622,912.

*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=12226721&OS=12226721&RS=12226721

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