Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE39961 | Computer controlled hydraulic resistance device for a prosthesis and other apparatus | William G. Gruesbeck | 2007-12-25 |
| 6113642 | Computer controlled hydraulic resistance device for a prosthesis and other apparatus | William G. Gruesbeck | 2000-09-05 |
| 5974342 | Electrical stimulation therapy method and apparatus | — | 1999-10-26 |
| 5888212 | Computer controlled hydraulic resistance device for a prosthesis and other apparatus | Christian H. Reinke | 1999-03-30 |
| 5048522 | Power muscle stimulator | — | 1991-09-17 |
| 4996987 | Power muscle stimulator | — | 1991-03-05 |
| 4976264 | Power muscle stimulator | — | 1990-12-11 |
| 4556214 | Method and apparatus for exercising | Jerrold S. Petrofsky, Roger M. Glaser, Harry H. Heaton, III | 1985-12-03 |
| 4492233 | Method and apparatus for providing feedback-controlled muscle stimulation | Jerrold S. Petrofsky, Roger M. Glaser, Chandler A. Phillips | 1985-01-08 |
| 4480830 | Method and apparatus for exercising | Jerrold S. Petrofsky, Roger M. Glaser, Harry H. Heaton, III | 1984-11-06 |