Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6609049 | Method and system for automatically activating a warning device on a train | James Francis Shockley, Harrison Thomas Hickenlooper | 2003-08-19 |
| 6588966 | End of train coupler mounting device | James Francis Shockley, James Brady | 2003-07-08 |