Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889055 | Railroad car for container transport | Richard E. Jamrozy | 1989-12-26 |
| 4862810 | Railroad car for container transport | Richard E. Jamrozy | 1989-09-05 |
| 4841876 | Railroad container transporting car of increased weight carrying capacity | Harold E. Gramse, Richard E. Jamrozy | 1989-06-27 |
| 4807722 | Railroad car for container transport | Richard E. Jamrozy | 1989-02-28 |