Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6820717 | Pressure regulating earplug | Bill Nyugen, John Jenkins | 2004-11-23 |
| D494268 | Earplug | — | 2004-08-10 |
| D494269 | Earplug with low angle flanges | — | 2004-08-10 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6820717 | Pressure regulating earplug | Bill Nyugen, John Jenkins | 2004-11-23 |
| D494268 | Earplug | — | 2004-08-10 |
| D494269 | Earplug with low angle flanges | — | 2004-08-10 |