Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5243993 | Apparatus and method for measuring heart rate | Donald J. Alexander, Allen J. Fuller, William H. Englehardt, Douglas B. MacDonald, Robert A. Bonner | 1993-09-14 |
| 5020794 | Motor control for an exercise machine simulating a weight stack | William H. Englehardt, Augustine Nieto | 1991-06-04 |
| 4831242 | Control system for health club facilities and equipment | William H. Englehardt, Martin A. Keane, Russell W. Krch | 1989-05-16 |