ALEXANDRIA, Va., July 14 -- United States Patent no. 12,682,876, issued on July 14, was assigned to Nut Shell LLC (Redmond, Wash.).
"Multi-layer acoustic medium" was invented by Douglas Allan Bixel (Redmond, Wash.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Acoustic mediums are disclosed herein. The acoustic mediums can include a plurality of layers. The layers of the acoustic mediums can include fibrous acoustic materials that are entangled throughout the layer. In certain instances, the layers of the acoustic medium can include first portion of acoustic materials disposed along a first plane, and a second portion of acoustic materials disposed along a second plane. Methods of fabricating multi-layer aco...