Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10212525 | Universal earpiece | Lawrence T. Hagen, Johan D. Carlson, Margaret V. Nilson | 2019-02-19 |
| 9398362 | Universal earpiece | Lawrence T. Hagen, Johan D. Carlson, Margaret V. Nilson | 2016-07-19 |
| 8971559 | Switching structures for hearing aid | Michael Karl Sacha, Mark A. Bren, Timothy S. Peterson | 2015-03-03 |
| 8923539 | Integrated automatic telephone switch | Mark A. Bren, Lawrence T. Hagen, Timothy S. Peterson | 2014-12-30 |
| D698445 | Earpiece | Lawrence T. Hagen, D. Johan Carlson, Margaret V. Nilson | 2014-01-28 |
| 8433088 | Switching structures for hearing aid | Mike Sacha, Mark A. Bren, Timothy S. Peterson | 2013-04-30 |
| 8412100 | Wireless communication system using custom earmold | Jorge F. Sanguino | 2013-04-02 |
| 8259973 | Integrated automatic telephone switch | Mark A. Bren, Lawrence T. Hagen, Timothy S. Peterson | 2012-09-04 |
| 8218804 | Switching structures for hearing assistance device | Mike Sacha, Mark A. Bren, Timothy S. Peterson | 2012-07-10 |
| 8027638 | Wireless communication system using custom earmold | Jorge F. Sanguino | 2011-09-27 |
| 7822217 | Hearing assistance systems for providing second-order gradient directional signals | Lawrence T. Hagen, Mark A. Bren, Timothy S. Peterson, David A. Preves | 2010-10-26 |
| 7813762 | Wireless communications adapter for a hearing assistance device | Jorge F. Sanguino | 2010-10-12 |
| 7447325 | System and method for selectively coupling hearing aids to electromagnetic signals | Mark A. Bren, Timothy S. Peterson, Blane A. Anderson, Mike Sacha | 2008-11-04 |
| 7369671 | Switching structures for hearing aid | Mike Sacha, Mark A. Bren, Timothy S. Peterson | 2008-05-06 |
| 7369669 | Diotic presentation of second-order gradient directional hearing aid signals | Lawrence T. Hagen, Mark A. Bren, Timothy S. Peterson, David A. Preves | 2008-05-06 |
| 7248713 | Integrated automatic telephone switch | Mark A. Bren, Lawrence T. Hagen, Timothy S. Peterson | 2007-07-24 |
| 7010136 | Resonant response matching circuit for hearing aid | David A. Preves, Mark A. Bren | 2006-03-07 |
| 5588064 | Hearing aid battery cover switch | John P. McSwiggen | 1996-12-24 |