Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5161891 | Process for determining and controlling railroad rail's neutral temperature to prevent track buckling and rail fractures | — | 1992-11-10 |
| 4880190 | Locomotive curve tracking system | Joseph Lambert | 1989-11-14 |
| 4834608 | Railroad car for hauling large highway trucks and method of loading | Frank R. Middaugh | 1989-05-30 |
| 4793577 | Locomotive curve tracking system | Joseph Lambert | 1988-12-27 |