Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6971610 | Railway diamond wedge crossing with reversible beam castings | Russell R. Hein, Robert C. Roberts | 2005-12-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6971610 | Railway diamond wedge crossing with reversible beam castings | Russell R. Hein, Robert C. Roberts | 2005-12-06 |