Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5622180 | Device for measuring heartbeat rate | Tapio Tammi | 1997-04-22 |
| 5611346 | Method of interference-tolerant transmission of heartbeat signals | Ilkka Heikkila | 1997-03-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5622180 | Device for measuring heartbeat rate | Tapio Tammi | 1997-04-22 |
| 5611346 | Method of interference-tolerant transmission of heartbeat signals | Ilkka Heikkila | 1997-03-18 |