ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,446,740, issued on Oct. 21, was assigned to BISSELL Inc. (Grand Rapids, Mich.).
"Surface cleaning apparatus" was invented by Joseph P. Perry (Comstock Park, Mich.) and Tyler Newkirk (Grand Rapids, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A surface cleaning apparatus such as a vacuum cleaner includes a suction source, a recovery container, and a base assembly with at least one agitator within an agitator chamber. The recovery container can be coupled to a separator assembly configured to remove dirt and debris from working fluid through the vacuum cleaner. In addition, a brake assembly can be provided on the base assembly and be configured to...