Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9326059 | Inflatable bubble | Stephen D. Ambrose, Samuel P. Gido | 2016-04-26 |
| 8737635 | Diaphonic acoustic transduction coupler and ear bud | Stephen D. Ambrose, Samuel P. Gido, Jimmy W. Mays, Roland Weidisch | 2014-05-27 |
| 8526652 | Receiver assembly for an inflatable ear device | Stephen D. Ambrose, Samuel P. Gido, Paul Christiaan van Hal, Adrianus Maria Lafort | 2013-09-03 |
| 8391534 | Inflatable ear device | Stephen D. Ambrose, Samuel P. Gido | 2013-03-05 |
| 8340310 | Diaphonic acoustic transduction coupler and ear bud | Stephen D. Ambrose, Samuel P. Gido, Jimmy W. Mays, Roland Weidisch | 2012-12-25 |
| 8238564 | Sound reproduction method and apparatus for assessing real-world performance of hearing and hearing aids | Lawrence J. Revit | 2012-08-07 |
| 8218784 | Digital audio processor device and method | Greg R. Shaw, David Brown | 2012-07-10 |
| 8160261 | Audio monitoring system | Stephen D. Julstrom, Michael J. Santucci | 2012-04-17 |
| 8036343 | Audio and data communications system | Lon E. Bender | 2011-10-11 |
| 7881486 | Directional microphone assembly | Mead C. Killion, Timothy S. Monroe, Viorel Drambarean, Andrew J. Haapapuro, John S. French | 2011-02-01 |
| 7832080 | Directional microphone assembly | Mead C. Killion, Timothy S. Monroe, Viorel Drambarean, Andrew J. Haapapuro, John S. French | 2010-11-16 |
| 7764801 | Directional microphone array system | Willem Soede, Norman P. Matzen, Roland Horsten | 2010-07-27 |
| 7751579 | Acoustically transparent debris barrier for audio transducers | John S. French | 2010-07-06 |
| 7551940 | Two-way voice communication device having external acoustic noise reduction | Mary Paulson, Jonathan K. Stewart, Andrew J. Haapapuro, Viorel Drambarean, Mead C. Killion | 2009-06-23 |
| 7460677 | Directional microphone array system | Willem Soede, Norman P. Matzen, Roland Horsten | 2008-12-02 |
| 7340062 | Sound reproduction method and apparatus for assessing real-world performance of hearing and hearing aids | Lawrence J. Revit | 2008-03-04 |
| 7286677 | Directional microphone assembly | Mead C. Killion, Timothy S. Monroe, Viorel Drambarean, Andrew J. Haapapuro, John S. French | 2007-10-23 |
| 7245728 | Microphone for hearing aid and communications applications having switchable polar and frequency response characteristics | Mead C. Killion, Elmer V. Carlson, Viorel Drambarean | 2007-07-17 |
| 7110553 | Directional microphone assembly for mounting behind a surface | Stephen D. Julstrom | 2006-09-19 |
| 6876749 | Microphone for hearing aid and communications applications having switchable polar and frequency response characteristics | Mead C. Killion, Elmer V. Carlson, Viorel Drambarean | 2005-04-05 |
| 6798890 | Directional microphone assembly | Mead C. Killion, Timothy S. Monroe, Viorel Drambarean, Andrew J. Haapapuro, John S. French | 2004-09-28 |
| 6704423 | Hearing aid assembly having external directional microphone | C. Roger Anderson, John S. French | 2004-03-09 |
| 6694034 | Transmission detection and switch system for hearing improvement applications | Stephen D. Julstrom, Elmer V. Carlson, Norman P. Matzen, Willem Soede | 2004-02-17 |
| 6560344 | Miniature surface mounted directional microphone assembly | Stephen D. Julstrom, Viorel Drambarean | 2003-05-06 |
| 6151399 | Directional microphone system providing for ease of assembly and disassembly | Mead C. Killion, Timothy S. Monroe | 2000-11-21 |