Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8192333 | Jump rope simulator | Cindy Joy, Kenneth R. Johnson | 2012-06-05 |
| 7753828 | Jump rope simulator | Cynthia L. Joy, Kenneth R. Johnson | 2010-07-13 |
| 7172534 | Jump rope simulator | Cynthia L. Joy, Kenneth R. Johnson | 2007-02-06 |