ALEXANDRIA, Va., June 5 -- United States Patent no. 12,274,602, issued on April 15, was assigned to Fiskars Finland Oy Ab (Espoo, Finland).
"Ear protection device" was invented by Petteri Masalin (Espoo, Finland).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to an ear protection device, which comprises an ear cushion for contacting around an ear to seal off an interior space of the ear protection device from surroundings, a switch comprising a holder portion and a shaft with a guide, a shell comprising an interior section and a shell aperture wherein edges of the shell aperture engage with the guide of the switch, and said shell is provided between the ear cushion and the switch...