| 9906880 |
Listening support device, in particular a hearing aid, and a compressible case for application therewith |
Jan Marinus Van Doorn, Randall Carey Dillon, Mark A. Bren |
2018-02-27 |
| 8971559 |
Switching structures for hearing aid |
Michael Karl Sacha, Mark A. Bren, Randall W. Roberts |
2015-03-03 |
| 8923539 |
Integrated automatic telephone switch |
Mark A. Bren, Lawrence T. Hagen, Randall W. Roberts |
2014-12-30 |
| 8433088 |
Switching structures for hearing aid |
Mike Sacha, Mark A. Bren, Randall W. Roberts |
2013-04-30 |
| 8259973 |
Integrated automatic telephone switch |
Mark A. Bren, Lawrence T. Hagen, Randall W. Roberts |
2012-09-04 |
| 8218804 |
Switching structures for hearing assistance device |
Mike Sacha, Mark A. Bren, Randall W. Roberts |
2012-07-10 |
| 7822217 |
Hearing assistance systems for providing second-order gradient directional signals |
Lawrence T. Hagen, Mark A. Bren, Randall W. Roberts, David A. Preves |
2010-10-26 |
| 7447325 |
System and method for selectively coupling hearing aids to electromagnetic signals |
Mark A. Bren, Randall W. Roberts, Blane A. Anderson, Mike Sacha |
2008-11-04 |
| 7369669 |
Diotic presentation of second-order gradient directional hearing aid signals |
Lawrence T. Hagen, Mark A. Bren, Randall W. Roberts, David A. Preves |
2008-05-06 |
| 7369671 |
Switching structures for hearing aid |
Mike Sacha, Mark A. Bren, Randall W. Roberts |
2008-05-06 |
| 7248713 |
Integrated automatic telephone switch |
Mark A. Bren, Lawrence T. Hagen, Randall W. Roberts |
2007-07-24 |
| 6760457 |
Automatic telephone switch for hearing aid |
Mark A. Bren |
2004-07-06 |
| 6633645 |
Automatic telephone switch for hearing aid |
Mark A. Bren |
2003-10-14 |
| 5757933 |
In-the-ear hearing aid with directional microphone system |
David A. Preves, Mark A. Bren |
1998-05-26 |