| 7886744 |
Tube-formed earplug with integral stem |
— |
2011-02-15 |
| 7731487 |
Mold for forming a hearing protective device |
Alan R. Seville, Robert N. Falco, James Hall |
2010-06-08 |
| 7727433 |
Hearing protective device and method of making the same |
Alan R. Seville, Robert N. Falco, James Hall |
2010-06-01 |
| 7475686 |
Earplug |
Alan R. Seville |
2009-01-13 |
| 7464786 |
High sound attenuating hearing protection device |
Robert N. Falco, Alan R. Seville |
2008-12-16 |
| D528204 |
Hearing protection device |
Marc Doty |
2006-09-12 |
| D524937 |
Hearing protection device |
Marc Doty |
2006-07-11 |
| D496722 |
Stemmed earplug |
Robert N. Falco |
2004-09-28 |
| D492767 |
Earplug |
Walter B. Herbst, Marianne Grisdale, Gary F. Prokop |
2004-07-06 |
| D492768 |
Earplug |
Walter B. Herbst, Marianne Grisdale, Gary F. Prokop |
2004-07-06 |
| D481118 |
Earplug |
Marc Doty |
2003-10-21 |
| D466995 |
Earplug |
Alan R. Seville, Robert N. Falco, James Hall |
2002-12-10 |
| 6105715 |
Multi-color variably attenuating earplug |
— |
2000-08-22 |
| 6095146 |
Glow-in-the-dark hearing protective devices |
Brian Myers, James Hall |
2000-08-01 |
