Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6957611 | Constant contact side bearing assembly for a railcar | Paul B. Aspengren | 2005-10-25 |
| 6862999 | Railroad car energy absorption apparatus | Michael D. VanMaldegiam, Erik Jensen, Donald E. Wilt, Michael S. Dillon | 2005-03-08 |