Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879749 | Host controller for programmable digital hearing aid system | Harry Levitt, Richard S. Dugot | 1989-11-07 |
| 4731850 | Programmable digital hearing aid system | Harry Levitt, Richard S. Dugot | 1988-03-15 |