Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8479744 | Fin earplug | — | 2013-07-09 |
| D678457 | Insect extermination lamp | James A. English | 2013-03-19 |
| 7305992 | Conforming earplug | — | 2007-12-11 |
| D539415 | Flange earplug | — | 2007-03-27 |
| 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 |
| 6611963 | Wire band earmuff | Edwin Woo, William Nyugen | 2003-09-02 |
| D474886 | Earplug container | Edwin Woo | 2003-05-27 |
| 6082855 | Earplug attachment for eyeglasses | — | 2000-07-04 |
| D427382 | Pair of earmuffs | Howard S. Leight | 2000-06-27 |
| D424340 | Earplug dispenser | — | 2000-05-09 |
| 5711313 | Discoverable earplug | — | 1998-01-27 |