Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10441471 | Push-in earplug | James P. Endle, Jeffrey L. Hamer, Alan R. Seville | 2019-10-15 |
| 10398602 | Earplug with tip cavity and methods of manufacturing the same | Jeffrey L. Hamer, Ravi Thomas | 2019-09-03 |