Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4934376 | Method and apparatus for detecting heartbeats | — | 1990-06-19 |
| 4893632 | Method and apparatus for comparing waveform shapes of time-varying signals | — | 1990-01-16 |
| 4760593 | Personal alarm system providing handsfree operation | L. Dennis Shapiro, Theodore Bially, Philip H. Devlin | 1988-07-26 |
| 4240442 | Variable threshold R-wave detector | Richard P. Andresen, Robert L. Cannon, III, Andrew J. Griffin | 1980-12-23 |
| 4181135 | Method and apparatus for monitoring electrocardiographic waveforms | Richard P. Andresen, Robert L. Cannon, III, Andrew J. Griffin | 1980-01-01 |