Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5657698 | Pivot plate assembly for articulated railway cars | James E. Black, Jr., Michael J. Rench, Ralph H. Schorr | 1997-08-19 |
| 4979856 | Vehicle cantilever chock block apparatus for railroad car transport of vehicles | Michael J. Rench | 1990-12-25 |
| 4838743 | Vehicle cantilever chock block apparatus for railroad car transport of vehicles | Michael J. Rench | 1989-06-13 |
| 4679974 | Vehicle chock block apparatus for railroad car transport of vehicles | — | 1987-07-14 |
| 4674929 | Railroad car with chock block apparatus for securing vehicles being transported | — | 1987-06-23 |
| 4668140 | Railroad car with chock block apparatus for securing transported vehicles | — | 1987-05-26 |