ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,537, issued on Oct. 14, was assigned to Omachron Intellectual Property Inc. (Hampton, Canada).
"Dust and allergen control for surface cleaning apparatus" was invented by Wayne Ernest Conrad (Hampton, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A free standing apparatus for emptying a dirt collection chamber of a surface cleaning apparatus comprises an air flow passage from an inlet port to a clean air outlet wherein the dirt collection chamber of the surface cleaning apparatus is removably positionable in air flow communication with the inlet port. An air treatment member is positioned in the air flow passage downstream from the inlet port...