The portions of the hearing protector headband in
The portions of the hearing protector headband in
| Number | Name | Date | Kind |
|---|---|---|---|
| 3488457 | Lahti | Jan 1970 | A |
| 3505684 | Hutchinson | Apr 1970 | A |
| 3562816 | Hutchinson | Feb 1971 | A |
| 6449806 | Engelhard | Sep 2002 | B1 |
| D687411 | Lee | Aug 2013 | S |
| D744171 | Rose | Nov 2015 | S |
| D764717 | Fletcher | Aug 2016 | S |