Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11697437 | Railroad hopper car structure and gate therefor | Elliot Powidajko, Tomasz Bis, Harinder Singh Natt, Zijian Yan | 2023-07-11 |
| 11691652 | Railroad hopper car with flow through structure | Kenneth Wayne Black | 2023-07-04 |