Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6135665 | Clamp for railroad coupler head | Richard Paul Alfieri, Detlev F. Smith, Roger H. Ramsey | 2000-10-24 |
| 5332180 | Traffic control system utilizing on-board vehicle information measurement apparatus | Robert A. Peterson, Theo C. Giras, Larry C. Mackey, Robert G. Brown, Barry W. Johnson +1 more | 1994-07-26 |