Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5738521 | Method for accelerating osseointegration of metal bone implants using electrical stimulation | — | 1998-04-14 |
| 4879749 | Host controller for programmable digital hearing aid system | Harry Levitt, Kenneth W. Kopper | 1989-11-07 |
| 4731850 | Programmable digital hearing aid system | Harry Levitt, Kenneth W. Kopper | 1988-03-15 |
| 4667683 | Audiometer | — | 1987-05-26 |
| 4600010 | Electric stimulator and test instrument therefor | — | 1986-07-15 |
| 4509520 | Electrical stimulating apparatus | — | 1985-04-09 |
| 4459988 | Electrical stimulating apparatus | — | 1984-07-17 |
| 4287771 | Vehicle pass-by and community noise monitor | — | 1981-09-08 |