Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889055 | Railroad car for container transport | James M. Wilczynski | 1989-12-26 |
| 4876968 | Container carrying railroad car with improved support system | Thomas W. Lindauer | 1989-10-31 |
| 4862810 | Railroad car for container transport | James M. Wilczynski | 1989-09-05 |
| 4841876 | Railroad container transporting car of increased weight carrying capacity | Harold E. Gramse, James M. Wilczynski | 1989-06-27 |
| 4807722 | Railroad car for container transport | James M. Wilczynski | 1989-02-28 |