Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7753828 | Jump rope simulator | Kenneth R. Johnson, F. Michael Sophir | 2010-07-13 |
| 7172534 | Jump rope simulator | Kenneth R. Johnson, F. Michael Sophir | 2007-02-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7753828 | Jump rope simulator | Kenneth R. Johnson, F. Michael Sophir | 2010-07-13 |
| 7172534 | Jump rope simulator | Kenneth R. Johnson, F. Michael Sophir | 2007-02-06 |