ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,166, issued on Oct. 28, was assigned to MATIKON GMBH & Co. KG (Horb a.N., Germany).
"Air vent" was invented by Falk Schaal (LoBburg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "An air vent for a motor vehicle with two air control elements that are disposed inside one another, the outer air control element of which is tubular in such a way that the air control elements delimit a first air channel between one another, and the outer air control element delimits a second air channel between itself and a tubular housing of the air vent. For restricting an air current flowing through the air vent, the two air control elements can be displaced b...