Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4624263 | Portable electrocardiograph with digitally-printing waveform display | — | 1986-11-25 |
| 4622440 | Differential hearing aid with programmable frequency response | — | 1986-11-11 |
| 4515164 | Differential doppler for blood flow measurement | — | 1985-05-07 |
| 4489610 | Computerized audiometer | — | 1984-12-25 |
| 4483346 | Electrocardiograph with digitally-printing waveform display | — | 1984-11-20 |
| 4438772 | Differential stethoscope | — | 1984-03-27 |