| 11786408 |
Push-in earplug and method of making the same using a mandrel |
Robert C. Coffin, James D. Brown |
2023-10-17 |
| 11707210 |
Acoustically probed over-the-ear hearing assessment devices and methods |
James D. Brown, Michael G. Wurm |
2023-07-25 |
| 11304851 |
Push-to-fit earplug with tip cavity |
Robert C. Coffin, Matthew V. Stonebraker, Jr., Jeff L. Hamer, Kenneth F. Teeters, Ravi Thomas |
2022-04-19 |
| D895901 |
Hearing protector |
Robert C. Coffin, Matthew V. Stonebraker, Jr., Ravi Thomas |
2020-09-08 |
| D889754 |
Hearing protector |
Robert C. Coffin, Matthew V. Stonebraker, Jr., Ravi Thomas |
2020-07-07 |
| 10617333 |
Acoustically probed over-the-ear hearing assessment devices and methods |
James D. Brown, Michael G. Wurm |
2020-04-14 |
| 10441472 |
Selective attenuating earplug |
— |
2019-10-15 |
| 10052234 |
Hearing protection device with convoluted acoustic horn |
— |
2018-08-21 |
| D816067 |
Push to talk handheld device having a stepped body for buttons |
Ravi Thomas, Gregory G. Tamer |
2018-04-24 |
| D806688 |
Push to talk handheld device having a curvature near the body and cable connection |
Ravi Thomas, Gregory G. Tamer |
2018-01-02 |
| D802555 |
Hearing device tether acoustic decoupling section |
— |
2017-11-14 |
| 9814625 |
Selective attenuating earplug |
— |
2017-11-14 |
| 9445177 |
Hearing device tether with acoustic decoupling section |
— |
2016-09-13 |
| D755760 |
Push to talk handheld device with body scallops around buttons |
Ravi Thomas, Mark A. Yoder |
2016-05-10 |
| D754324 |
Hearing device retainer |
— |
2016-04-19 |
| D754323 |
Hearing device retainer |
— |
2016-04-19 |
| D733676 |
Hearing device tether acoustic decoupling section |
— |
2015-07-07 |
| D733865 |
Earplug switch |
— |
2015-07-07 |
