| 9503840 |
Enhanced wireless handset, including direct handset-to-handset communication mode |
Marc Sullivan, Charles A. Green, Steven A. Harbin |
2016-11-22 |
| 8792828 |
Enhanced wireless handset, including direct handset-to-handset communication mode |
Marc Sullivan, Charles A. Green, Steven A. Harbin |
2014-07-29 |
| 8346169 |
Enhanced wireless handset, including direct handset-to-handset communication mode |
Marc Sullivan, Charles A. Green, Steven A. Harbin |
2013-01-01 |
| 8265691 |
Enhanced wireless handset, including direct handset-to-handset communication mode |
Marc Sullivan, Charles A. Green, Steven A. Harbin |
2012-09-11 |
| 8019381 |
Enhanced wireless handset, including direct handset-to-handset communication mode |
Marc Sullivan, Charles A. Green, Steven A. Harbin |
2011-09-13 |
| 7885684 |
Enhanced wireless handset, including direct handset-to-handset communication mode |
Marc Sullivan, Charles A. Green, Steven A. Harbin |
2011-02-08 |
| 7693542 |
Enhanced wireless handset, including direct handset-to-handset communication mode |
Marc Sullivan, Charles A. Green, Steven A. Harbin |
2010-04-06 |
| 7403793 |
Enhanced wireless handset, including direct handset-to-handset communication mode |
Marc Sullivan, Charles A. Green, Steven A. Harbin |
2008-07-22 |
| 7353018 |
Enhanced wireless handset, including direct handset-to-handset communication mode |
Marc Sullivan, Charles A. Green, Steven A. Harbin |
2008-04-01 |
| 6990190 |
Method and system for remote telephone calibration |
David Thomas Roach, Medford Alan Dyer, Kenneth Swinson, Joseph E. Talbot |
2006-01-24 |
| 6865372 |
Enhanced wireless handset, including direct handset-to-handset communication mode |
Marc Sullivan, Charles A. Green, Steven A. Harbin |
2005-03-08 |
| 6688421 |
Earmold for improved retention of coupled device |
Medford Alan Dyer, Thomas Henry Perszyk, Edward Springer |
2004-02-10 |
| D478991 |
Locking ear gel |
Medford Alan Dyer, Thomas Henry Perszyk, Edward Springer |
2003-08-26 |
| 6484027 |
Enhanced wireless handset, including direct handset-to-handset communication mode |
Marc Sullivan, Charles A. Green, Steven A. Harbin |
2002-11-19 |
| 6453042 |
Method and system for remote telephone calibration |
David Thomas Roach, Kenneth Swinson, Medford Alan Dyer, Joseph E. Talbot |
2002-09-17 |
| 5812659 |
Ear microphone with enhanced sensitivity |
Elwood G. Norris, Charles L. McClendon |
1998-09-22 |
| 5734713 |
Method and system for remote telephone calibration |
David Thomas Roach, Medford Alan Dyer, Kenneth Swinson, Joseph E. Talbot |
1998-03-31 |
| 5659156 |
Earmolds for two-way communications devices |
Robert W. MacKay |
1997-08-19 |
| 5333622 |
Earplug and hearing devices formed in-situ |
John G. Casali |
1994-08-02 |
| 5131411 |
Custom-fitting earplug formed in situ using foaming action |
John G. Casali |
1992-07-21 |