Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12365370 | Railway vehicle coupler having robust knuckle | Paul Steven Wike, Tom Petrunich, Paul A. Sanders, Dale K. Dewald | 2025-07-22 |
| 11440568 | Railway vehicle coupler | Timothy Dumey | 2022-09-13 |
| 8910808 | Coupler knuckle | Joseph Halford, Timothy Dumey | 2014-12-16 |