Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6637347 | Anti-spin/anti-drift module for railway car door | Kenneth R. Graham, Roger W. Hike | 2003-10-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6637347 | Anti-spin/anti-drift module for railway car door | Kenneth R. Graham, Roger W. Hike | 2003-10-28 |