Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7833140 | Core resistance apparatus | Ronald Ligrano, Richard George Celebrini | 2010-11-16 |
| 6413197 | Torsion board | Frantisek Ziak | 2002-07-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7833140 | Core resistance apparatus | Ronald Ligrano, Richard George Celebrini | 2010-11-16 |
| 6413197 | Torsion board | Frantisek Ziak | 2002-07-02 |