| 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 |