ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,721,489, issued on Sept. 1, was assigned to Techtronic Floor Care Technology Ltd. (Tortola, British Virgin Islands).
"Vacuum cleaner" was invented by William Jacob Kozlowski Jr. (Monroe, N.C.), Siddharth Mahajan (Concord, N.C.), Manish Shastrakar (Charlotte, N.C.) and Steven W. Kegg (Hickory, N.C.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vacuum cleaner includes a body, a suction source disposed in the body, a separator, and a post-motor filter. The body extends along a longitudinal axis between a front end and a rear end. A fluid flow path extends from a suction inlet to an air outlet. The suction source is configured to draw air and debris thro...