Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6473511 | Disposable hearing aid with integral power source | John G. Aceti, Walter P. Sjursen, Marvin Allan Leedom, Fredrick Fritz | 2002-10-29 |
| 6410997 | Power source for a hearing aid | Walter P. Sjursen, Gary John Hollingsworth, Marvin Allan Leedom | 2002-06-25 |