ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,563,326, issued on Feb. 24, was assigned to PSS BELGIUM NV (Dendermonde, Belgium).
"Loudspeaker assembly for use outdoors" was invented by Karel Gheldof (Dendermonde, Belgium), Kurt Vandijck (Dendermonde, Belgium) and Fabian Vuine (Dendermonde, Belgium).
According to the abstract* released by the U.S. Patent & Trademark Office: "A loudspeaker assembly for use outdoors. The loudspeaker assembly includes: a loudspeaker, including a drive unit and a diaphragm, wherein the drive unit is configured to move the diaphragm along a movement axis, a grille, positioned in front of a front face of the loudspeaker, the grille being configured to permit sound produced by the front face of the diap...