Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6752746 | Adjustable jump rope apparatus with adjustable weight and length | Martin Winkler, Dennis J. Wasserman | 2004-06-22 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6752746 | Adjustable jump rope apparatus with adjustable weight and length | Martin Winkler, Dennis J. Wasserman | 2004-06-22 |