Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4617868 | Railroad hopper car with self-contained discharge system | Merle D. Wahlstrom | 1986-10-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4617868 | Railroad hopper car with self-contained discharge system | Merle D. Wahlstrom | 1986-10-21 |