Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |