Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5820702 | Welded nose rail used for crossing | Takaaki Irie | 1998-10-13 |
| 5704570 | Welded nose rail used for crossing | Takaaki Irie | 1998-01-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5820702 | Welded nose rail used for crossing | Takaaki Irie | 1998-10-13 |
| 5704570 | Welded nose rail used for crossing | Takaaki Irie | 1998-01-06 |