Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D739517 | Earplug | Douglas Pick | 2015-09-22 |
| D697610 | Earplug | — | 2014-01-14 |
| D464469 | Headband with yoke | Dan Dix, Terry L. Grimsley, Norman John Smith, Mark Magidson | 2002-10-15 |
| 6353938 | Sound attenuating earmuff | — | 2002-03-12 |