Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9522683 | Method for influencing gravitational discharge of material from a railroad hopper car | Brian A. Senn, Nicholas B. Earnest | 2016-12-20 |
| 9393970 | Railroad hopper car discharge gate assembly and related method for influencing gravitational discharge of material from a railroad hopper car | Brian A. Senn, Nicholas B. Earnest | 2016-07-19 |
| 8752487 | Low profile discharge gate assembly for a railroad hopper car | Brian A. Senn, Andy R. Kries, Robert J. Worthington | 2014-06-17 |
| 8746152 | Low profile discharge gate assembly for a railroad hopper car | Brian A. Senn | 2014-06-10 |