| 9566023 |
Audiometry earphone insert |
Mead C. Killion, Charles J. Aldous, Viorel Drambarean, Donald L. Wilson |
2017-02-14 |
| 8625827 |
One-size-fits-most hearing aid |
Gail Gudmundsen, Viorel Drambarean, Mead C. Killion |
2014-01-07 |
| 8184839 |
One-size-fits-most hearing aid |
Gail Gudmundsen, Mead C. Killion, Viorel Drambarean |
2012-05-22 |
| 7551940 |
Two-way voice communication device having external acoustic noise reduction |
Mary Paulson, Andrew J. Haapapuro, Viorel Drambarean, Robert B. Schulein, Mead C. Killion |
2009-06-23 |
| 6831987 |
Directional microphone assembly |
Mead C. Killion, Don Wilson, Matthew Roberts, Steve Iseberg, Timothy S. Monroe |
2004-12-14 |
| 6567526 |
Directional microphone assembly |
Mead C. Killion, Don Wilson, Matthew Roberts, Steve Iseberg, Timothy S. Monroe |
2003-05-20 |
| 6285771 |
Directional microphone assembly |
Mead C. Killion, Don Wilson, Matthew Roberts, Steve Iseberg, Timothy S. Monroe |
2001-09-04 |
| 6134334 |
Directional microphone assembly |
Mead C. Killion, Don Wilson, Matthew Roberts, Steve Iseberg, Timothy S. Monroe |
2000-10-17 |
| 6075869 |
Directional microphone assembly |
Mead C. Killion, Don Wilson, Matthew Roberts, Steve Iseberg, Timothy S. Monroe |
2000-06-13 |
| 5878147 |
Directional microphone assembly |
Mead C. Killion, Don Wilson, Matthew Roberts, Steve Iseberg, Timothy S. Monroe |
1999-03-02 |
| 5661420 |
Mounting configuration for monolithic integrated circuit |
Mead C. Killion |
1997-08-26 |
| 5131046 |
High fidelity hearing aid amplifier |
Mead C. Killion, Norman P. Matzen, Clyde M. Brown, Jr., William A. Cole, James B. Compton +2 more |
1992-07-14 |
| 5113967 |
Audibility earplug |
Mead C. Killion, Robert N. Falco, Elliott H. Berger |
1992-05-19 |
| 5099856 |
Electrode isolation amplifier |
Mead C. Killion, Donald L. Wilson |
1992-03-31 |