ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,661, issued on Jan. 13, was assigned to RZ Industries LLC (Burnsville, Minn.).
"Filter apparatuses and approach" was invented by Steve Gordon Torbenson (Savage, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects of the present disclosure are directed to apparatuses and related method involving filters and filtering. As may be implemented in accordance with one or more embodiments, a filter material is configured to filter particulates from air passing through the filter material, and includes an adjustable component to provide two or more sizing configurations of the filter material. Coupling material is configured and arranged to couple a...