Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6801629 | Protective hearing devices with multi-band automatic amplitude control and active noise attenuation | Owen D. Brimhall, Gregory N. Koskowich | 2004-10-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6801629 | Protective hearing devices with multi-band automatic amplitude control and active noise attenuation | Owen D. Brimhall, Gregory N. Koskowich | 2004-10-05 |