Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5456187 | Railroad truck axle assembly retention mechanism | Richard B. Polley | 1995-10-10 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5456187 | Railroad truck axle assembly retention mechanism | Richard B. Polley | 1995-10-10 |