ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,730, issued on Nov. 18, was assigned to FRAMER OY (Tampere, Finland).
"Wall assembly and a soundproof booth" was invented by Miika Hallfors (Tampere, Finland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A wall assembly for a soundproof space includes a wall module having a first wall and a second wall joined together at end portions of the module to form an enclosure therebetween, and sound absorbing material within the enclosure. The enclosure is formed of the first wall and the second wall, and the first wall and/or the second wall provides an incombustible surface. A soundproof booth includes the wall assembly."
The patent was filed on Oct. 15...