Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10399580 | Process for producing a coupler knuckle and improved coupler knuckle | Zachary Ryan Brook | 2019-09-03 |
| 10322732 | Coupler knuckle, cores and method of production | Aaron Stern, Zachary Ryan Brook, Perry Levitt, Wayne H. Murphy | 2019-06-18 |
| 10252733 | Lightweight fatigue resistant railcar truck, sideframe and bolster | Aaron Stern, Michael J. Schmidt | 2019-04-09 |
| 10196076 | Coupler knuckle | Zachary Ryan Brook, Michael J. Schmidt | 2019-02-05 |