Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12286141 | Hopper railroad car having top hatch cover assembly | Daniel J. Schuller, Steven J. Knight, Peter L. Jones | 2025-04-29 |
| 11713061 | Hopper railroad car having top hatch cover assembly | Peter L. Jones, Victor M. Mankarious, James A. Warwick, Steven J. Knight | 2023-08-01 |