Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4963729 | Optically powered sensor system with improved signal conditioning | William B. Spillman, Jr. | 1990-10-16 |
| 4397560 | Photometer with microtray well position indicator | — | 1983-08-09 |
| 4240442 | Variable threshold R-wave detector | Robert M. Armington, Robert L. Cannon, III, Andrew J. Griffin | 1980-12-23 |
| 4181135 | Method and apparatus for monitoring electrocardiographic waveforms | Robert M. Armington, Robert L. Cannon, III, Andrew J. Griffin | 1980-01-01 |