Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5341813 | Prosthetics electrode array diagnostic system | William J. Hanson, Matthijs P. Smits | 1994-08-30 |
| 5317273 | Hearing protection device evaluation apparatus | William J. Hanson | 1994-05-31 |