Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11304851 | Push-to-fit earplug with tip cavity | Robert C. Coffin, Matthew V. Stonebraker, Jr., Jacob H. Ely, Jeff L. Hamer, Ravi Thomas | 2022-04-19 |
| 11123902 | Method of making a personal protective article | James P. Endle, Jeffrey L. Hamer, Alan R. Seville | 2021-09-21 |
| 10966867 | Push-in earplug | James P. Endle, Jeffrey L. Hamer, Alan R. Seville | 2021-04-06 |
| 10660797 | Push-to-fit earplug having an array of cavities | Jeffrey L. Hamer, Ravi Thomas | 2020-05-26 |
| 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 |
| 10065344 | Method of making a personal protective article | James P. Endle, Jeffrey L. Hamer, Alan R. Seville | 2018-09-04 |
| D798434 | Earplug | Jeffrey L. Hamer, Ravi Thomas | 2017-09-26 |
| D798435 | Earplug | Jeffrey L. Hamer, Ravi Thomas | 2017-09-26 |
| 9737439 | Push-in earplug | James P. Endle, Jeffrey L. Hamer, Alan R. Seville | 2017-08-22 |
| 9549855 | Earplug with tip cavity and methods of manufacturing the same | Jeffrey L. Hamer, Ravi Thomas | 2017-01-24 |
| D759802 | Earplug tip | Jeffrey L. Hamer, Ravi Thomas | 2016-06-21 |
| D757925 | Earplug tip | Jeffrey L. Hamer, Ravi Thomas | 2016-05-31 |
| 8968613 | Method of making an earplug | James P. Endle, Jeffrey L. Hamer, Alan R. Seville | 2015-03-03 |
| D717937 | Earplug | Jeffrey L. Hamer, Ravi Thomas | 2014-11-18 |
| 8679607 | Foamable article | Jeffrey L. Hamer, Alan R. Seville | 2014-03-25 |
| D485352 | Flame | Brian Myers | 2004-01-13 |
| D480136 | Flame earplug | Brian Myers | 2003-09-30 |
| D477400 | Ornamental flame | Brian Myers | 2003-07-15 |