Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D263740 | Miniature cardiotachometer or the like | Robert K. Rogers, F. Gordon Mackay, Spencer L. Mackay, Robert H. Horne | 1982-04-06 |
| 4239048 | Cardiotachometer using autocorrelation techniques | — | 1980-12-16 |