3M Svenska Aktiebolag
3M Svenska Aktiebolag Patent applications | ||
Patent application number | Title | Published |
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20100014686 | HEARING PROTECTION - “A hearing protection unit includes two sound damping cups for placing around a user's ears. A retainer device positions the cups and applies a compressive force on the cups. The retainer device includes a front band which extends between the front edge of each respective cup across the user's forehead, and a rear band which extends between the rear edge of each respective cup around the nape region of the user.” | 01-21-2010 |