Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4964410 | Time period and heart rate measurement system | Alexander J. Zinner, III, Christopher Howard | 1990-10-23 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4964410 | Time period and heart rate measurement system | Alexander J. Zinner, III, Christopher Howard | 1990-10-23 |