ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,398,505, issued on Aug. 26.

"Lint exhaust duct cleaning tool and method for cleaning a clothes dryer ventilation system" was invented by Kenneth Steve Ramsey (Charlotte, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A duct cleaning appliance is adapted for cleaning a ventilation system of a clothes dryer. The duct cleaning appliance includes a hollow duct cleaning tool operatively connected at an open proximal end to a portable airstream appliance adapted for generating a pressurized airflow. An open distal end of the duct cleaning tool is placed over a screen housing opening of the clothes dryer, such that the distal end closely engages the cloth...