Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4586510 | Apparatus for exercising a paralyzed limb | Marcus Glaser, Steven R. Collins, Jonathan R. Strayer | 1986-05-06 |
| 4556214 | Method and apparatus for exercising | Jerrold S. Petrofsky, Steven H. Petrofsky, Harry H. Heaton, III | 1985-12-03 |
| 4523769 | Wheelchair and drive system therefor | Jerrold S. Petrofsky, Howard R. DuFour | 1985-06-18 |
| 4499900 | System and method for treating paralyzed persons | Jerrold S. Petrofsky, Chandler A. Phillips, Harry H. Heaton, III | 1985-02-19 |
| 4492233 | Method and apparatus for providing feedback-controlled muscle stimulation | Jerrold S. Petrofsky, Chandler A. Phillips, Steven H. Petrofsky | 1985-01-08 |
| 4480830 | Method and apparatus for exercising | Jerrold S. Petrofsky, Steven H. Petrofsky, Harry H. Heaton, III | 1984-11-06 |
| 4421336 | Vehicle for the paralyzed | Jerrold S. Petrofsky | 1983-12-20 |