Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4629392 | System for batch loading coal into railroad cars | John Campbell, Carl L. Baldwin, David J. Foley | 1986-12-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4629392 | System for batch loading coal into railroad cars | John Campbell, Carl L. Baldwin, David J. Foley | 1986-12-16 |