Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6503091 | High speed bus contact system | Frank P. Hart, Raviprakash Nagaraj, Leonard O. Turner | 2003-01-07 |
| 6322370 | High speed bus contact system | Frank P. Hart, Raviprakash Nagaraj, Leonard O. Turner | 2001-11-27 |