Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6381308 | Device for coupling hearing aid to telephone | Charles H. Cargo, James M. Larson | 2002-04-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6381308 | Device for coupling hearing aid to telephone | Charles H. Cargo, James M. Larson | 2002-04-30 |