Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6442279 | Acoustic conditioner | Robert L. Millier, Lawrence T. Hagen, Ning Shen | 2002-08-27 |
| 6424722 | Portable system for programming hearing aids | Lawrence T. Hagen | 2002-07-23 |
| 6389142 | In-the-ear hearing aid with directional microphone system | Lawrence T. Hagen | 2002-05-14 |
| 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 |