Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5173681 | Speed sensitive visual warning system for locomotives | Mark Edward Kane | 1992-12-22 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5173681 | Speed sensitive visual warning system for locomotives | Mark Edward Kane | 1992-12-22 |