US Patent Issued to 3M Innovative Properties on March 24 for "Kit for air-filtration assembly" (Wisconsin, Minnesota Inventors)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,582,929, issued on March 24, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).

"Kit for air-filtration assembly" was invented by Glen O. Gregerson (Hudson, Wis.), Riley J. Hillstrom (North Hudson, Wis.), Laszlo Titkos (Shoreview, Minn.) and Bo Yang (Woodbury, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A kit that includes a base with a floor and four edges; a cover with a ceiling and four edges; and, four side panels, at least one of which is a framed air filter. The kit may be nestable. The kit is assemblable into an upwardly-open, horizontally-closed air-filtration assembly. The floor of the base may include multiple through-cu...