Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5303305 | Solar powered hearing aid | Douglas R. Howard | 1994-04-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5303305 | Solar powered hearing aid | Douglas R. Howard | 1994-04-12 |