Issued Patents 2003
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6622816 | Personal protective devices having an energy activated material | Cynthia A. Kladden | 2003-09-23 |
| D479319 | Semi-aural hearing protector | — | 2003-09-02 |
| D478658 | Earplug | — | 2003-08-19 |
| 6568394 | Flanged earplug | — | 2003-05-27 |
| D472627 | Earplug | — | 2003-04-01 |
| D471625 | Earplug | — | 2003-03-11 |