Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11697441 | Railcar end unit | Richard Uriah Ralston, Andrew Allen Johnson | 2023-07-11 |
| 10737706 | Railcar end unit | Richard Uriah Ralston, Andrew Allen Johnson | 2020-08-11 |
| 9868453 | Railcar end unit | Richard Uriah Ralston, Andrew Allen Johnson | 2018-01-16 |
| 7980574 | Torque rod bracket assembly | Jonathan D. Batdorff, Qiang Zhang, James J. Korson | 2011-07-19 |
| D447402 | Pliers handle | Patrick Douglas, Tor Alden, Wayne T. Brezovar | 2001-09-04 |
| D447040 | Adjustable wrench handle | Patrick Douglas, Tor Alden, Wayne T. Brezovar | 2001-08-28 |