ALEXANDRIA, Va., May 26 -- United States Patent no. 12,636,194, issued on May 26, was assigned to TECMEN ELECTRONICS Co. LTD (Nanjing, China).
"Ear muff and ear muff assembly" was invented by Ziqian Wu (Nanjing, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present application discloses an ear muff and an ear muff assembly. The ear muff comprises a housing base in which an acoustic cavity for noise attenuation is formed and a chamber for receiving an electronic device is formed; an outer cover for covering the chamber; and a locking structure acting between the outer cover and the housing base, so as to achieve a releasable connection between the outer cover and the housing base, characterized in ...