Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870914 | Diagonally braced railway truck | — | 1989-10-03 |
| 4871182 | Fifth wheel unlocking and safety latch device | Russell G. Altherr, Richard L. Glaser, Francis E. Madura | 1989-10-03 |