ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,450, issued on Feb. 24.
"Structure of an airflow pump aroma diffuser" was invented by Hsuan-Yu Chao (Taipei, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An improved structure of an air pump aroma diffuser, comprising a main frame with a circuit board therein which is connected to a motor pump by way of a power supply, and a spray component, wherein the main frame is configured with the motor pump on one side thereof and an inner cavity on the other side thereof to allow the spray component to move in and out, so that the spray component is assembled into the inner cavity from top to bottom; By way of this overall effective combination, the...