Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6412421 | Gate assembly for a railroad hopper car | Brian A. Senn | 2002-07-02 |
| 6412422 | Gate assembly for a railroad hopper car | Brian A. Senn | 2002-07-02 |
| 6363863 | Gate assembly for a railroad hopper car | — | 2002-04-02 |
| 6357361 | Assembly for closing a pneumatic discharge outlet | — | 2002-03-19 |