Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6366863 | Portable hearing-related analysis system | Gordon J. Bye, Jeffrey C. Erdahl | 2002-04-02 |
| 6359992 | Acoustics conditioner | Robert L. Millier, Lawrence T. Hagen, Ning Shen | 2002-03-19 |
| 5757933 | In-the-ear hearing aid with directional microphone system | Timothy S. Peterson, Mark A. Bren | 1998-05-26 |
| 5083312 | Programmable multichannel hearing aid with adaptive filter | James R. Newton | 1992-01-21 |
| 4986281 | Method for obtaining a signal for analyzing human and animal joint functions | Brian P. Rosengren, James E. Holte, Myer S. Leonard | 1991-01-22 |
| 4888810 | Analog volume control circuit | — | 1989-12-19 |
| 4790018 | Frequency selection circuit for hearing aids | William A. Johnson | 1988-12-06 |