Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6503091 | High speed bus contact system | Frank P. Hart, Raviprakash Nagaraj, Leonard O. Turner | 2003-01-07 | $57,181,000 |
| 6322370 | High speed bus contact system | Frank P. Hart, Raviprakash Nagaraj, Leonard O. Turner | 2001-11-27 | $206,664,000 |