Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D385317 | Adjustable exercise step for aerobic exercise | — | 1997-10-21 |
| 5599258 | Adjustable exercise step and method | Michael R. Stone | 1997-02-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D385317 | Adjustable exercise step for aerobic exercise | — | 1997-10-21 |
| 5599258 | Adjustable exercise step and method | Michael R. Stone | 1997-02-04 |