Issued Patents All Time
Showing 1–25 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12370089 | Compressible fit earplug with planar insert | — | 2025-07-29 |
| 12364624 | Compressible fit earplug with planar insert | — | 2025-07-22 |
| D1066642 | Earplug | — | 2025-03-11 |
| 9763832 | Pull out earplug | — | 2017-09-19 |
| D788291 | Earplug | — | 2017-05-30 |
| 7250021 | Adjustable pull-rope exercise device | — | 2007-07-31 |
| 6345684 | Checkable earplug | — | 2002-02-12 |
| 6299019 | Hollow handle earplug dispenser | — | 2001-10-09 |
| 6241041 | Multi-cone earplug and method of forming and using | — | 2001-06-05 |
| D442340 | Earmuff with diamond shell and cloverleaf cushion | Gary E. Burton | 2001-05-15 |
| 6148446 | Multi-position banded earmuff | — | 2000-11-21 |
| 6138790 | Band earplug adapted to prevent soiling | — | 2000-10-31 |
| D427382 | Pair of earmuffs | Thomas W. Fleming | 2000-06-27 |
| D426880 | Twisted band for earplug | — | 2000-06-20 |
| 6006857 | Earplug with insertion stem | Jim Tiemens | 1999-12-28 |
| 5996123 | Earmuff for noise blocking | Edwin Woo | 1999-12-07 |
| 5979451 | Earmuff sound protector | — | 1999-11-09 |
| D413379 | Combined earplug and insertion stem | — | 1999-08-31 |
| D405521 | Dual earplug | — | 1999-02-09 |
| D400248 | Band earplug | — | 1998-10-27 |
| 5824966 | Enhanced band earplug | — | 1998-10-20 |
| 5811742 | Dual earplug | — | 1998-09-22 |
| D395657 | Cap for banded earplug | — | 1998-06-30 |
| 5727566 | Trackable earplug | — | 1998-03-17 |
| 5724119 | Earmuff-eyeglass combination | — | 1998-03-03 |