Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864938 | Railway freight car | Harold E. Hesch, Phillip G. Przybylinski | 1989-09-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864938 | Railway freight car | Harold E. Hesch, Phillip G. Przybylinski | 1989-09-12 |