Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10514411 | Testing system for multiple-unit locomotives | Charles W. Yopp | 2019-12-24 |
| 9302682 | Multiple compressor system and method for locomotives | Donald Dietrich Graab | 2016-04-05 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10514411 | Testing system for multiple-unit locomotives | Charles W. Yopp | 2019-12-24 |
| 9302682 | Multiple compressor system and method for locomotives | Donald Dietrich Graab | 2016-04-05 |