ALEXANDRIA, Va., April 2 -- United States Patent no. 12,267,662, issued on April 1, was assigned to Mayt Holding B.V. (Nieuw-Vennep, Netherlands).
"Line damper bellows dual opposing driver speaker" was invented by Mattias Jeffrey Scheek (Amsterdam).
According to the abstract* released by the U.S. Patent & Trademark Office: "A speaker device comprising two membranes facing each other, and two drive units arranged for driving the two membranes in opposite direction in operation. A vented frame element and a closed frame element are positioned outward on either side of the two membranes. At least one bellows element is connected on a first side to the membrane which is positioned closest to the closed frame element, and connected on a second...