Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |